Is T-Mobile Home Internet available in 94133?

Current ZIP-level provider data reports T-Mobile 5G Home Internet availability across a substantial portion of 94133. Fixed-wireless eligibility depends on the exact address, local network capacity and wireless conditions, so T-Mobile's address check is required.

Why can two apartments in 94133 have different internet options?

94133 contains dense multifamily buildings, older residential structures, commercial properties and steep hillside streets across Chinatown, North Beach and Telegraph Hill. Provider networks and building wiring do not follow ZIP boundaries exactly, so nearby addresses can have different wired and wireless service options.

San Francisco ZIP 94133

94133 Internet Providers

Q: What internet providers serve ZIP code 94133?

Current ZIP-level broadband sources identify Xfinity, AT&T, Sonic, T-Mobile, Verizon and several fixed-wireless and satellite providers in the 94133 market. Xfinity has the broadest reported cable footprint, while Sonic provides a smaller fiber footprint and AT&T reports fiber availability in parts of San Francisco. Exact residential availability depends on the service address.

Q: Is Sonic Fiber available in 94133?

Current ZIP-level provider data reports Sonic fiber availability in roughly one-fifth of 94133. Sonic separately describes a wholly owned 10-Gigabit fiber network in San Francisco. The ZIP percentage is a coverage indicator rather than proof that a particular building can order Sonic.

Q: Does Xfinity serve 94133?

Yes. Current ZIP-level datasets report Xfinity cable coverage at roughly 95% to nearly 100% of 94133 depending on the dataset and update vintage. One FCC-based secondary source reports approximately 99.88% cable coverage. Individual buildings should still be checked directly.

Q: Does Astound Broadband serve 94133?

Astound appears in broader San Francisco broadband datasets, but its reported 94133 footprint is much smaller than Xfinity's. Current ZIP-level data identifies only a small Astound fiber footprint in 94133, so it should be treated as a property-specific option rather than a ZIP-wide assumption.

Q: Is Verizon 5G Home Internet available in 94133?

Verizon confirms 5G Home Internet service in San Francisco, but home-internet eligibility is address-specific. Current ZIP-level datasets differ substantially in their estimated Verizon footprint in 94133, which is another reason to use Verizon's address checker rather than treating a ZIP percentage as a guarantee.

Broadband in 94133 is shaped by a dense central San Francisco environment that includes Chinatown, North Beach and the Pier 39 waterfront area, with portions of the surrounding Russian Hill and Telegraph Hill geography also crossing ZIP boundaries. Current ZIP-level data shows a broad Xfinity cable footprint, widespread reported AT&T service, a smaller Sonic fiber footprint and substantial fixed-wireless availability.

● 94133 is unusually building-dependent: a provider reported across the ZIP may still be unavailable to a particular apartment, condo, hotel, mixed-use building or individual unit.

Check another ZIP code

Enter a five-digit ZIP code to open the corresponding local broadband guide.

ZIP-code results describe the local service market. Provider eligibility, available technology, speeds and pricing can differ at individual addresses, apartment buildings and units.

Location

San Francisco, California · 94133

Main technologies

Cable · Fiber · 5G · Fixed Wireless

Local evidence

ZIP records + provider sources

Research standard

Address verification required

What the 94133 broadband evidence shows

94133 has a different broadband profile from many outer San Francisco ZIP codes. Current ZIP-level datasets show Xfinity as the dominant cable network, while AT&T has a very broad reported service footprint. Sonic fiber is present but much less widespread, and fixed-wireless providers account for a significant portion of the local provider landscape. The exact percentages vary by dataset and reporting date.

Cable

Xfinity is the dominant wired layer

Current ZIP-level sources report Xfinity cable coverage at roughly 95% or more of 94133, with one FCC-data-based secondary source reporting approximately 99.88%. The consistent finding across the sources reviewed is that Xfinity has the broadest documented cable footprint in the ZIP.

Fiber

Fiber exists, but the ZIP is not uniformly fiber-served

Sonic reports a wholly owned 10-Gigabit fiber network in San Francisco, while current 94133 provider data reports Sonic fiber at roughly 21%. AT&T reports fiber in parts of San Francisco, but its broad ZIP-level service figure includes more than fiber. A property-level check is therefore important when comparing fiber against cable.

Wireless

Fixed wireless is a meaningful part of the 94133 market

T-Mobile, Verizon and smaller fixed-wireless operators appear in current 94133 data. T-Mobile is reported across a substantial portion of the ZIP, while Verizon's reported footprint varies significantly between datasets. Wireless eligibility depends on address, signal, building conditions and available network capacity.

94133 provider comparison

The table separates ZIP-level coverage evidence from actual address serviceability. Coverage percentages are reported by secondary broadband datasets and should be treated as indicators of network presence rather than live ordering results.

Provider	Technology	94133 evidence	Advertised maximum	What to verify
Xfinity Broad cable footprint	Cable	Current ZIP-level sources report approximately 95% to nearly 100% Xfinity cable coverage in 94133. One FCC-based secondary source reports 99.88%.	Up to 2 Gbps in current reported offerings	Exact address, plan tier, upload speed and equipment terms
AT&T Broad reported presence	Fiber / IPBB / fixed wireless	Current ZIP-level provider data reports AT&T service across approximately 98.6% of 94133. That figure combines multiple AT&T technologies and should not be read as 98.6% fiber coverage.	Up to 5 Gbps where AT&T Fiber is available	Whether the specific property qualifies for fiber
Sonic Partial fiber footprint	Fiber	Current ZIP-level data reports Sonic fiber availability at about 21.4% of 94133. Sonic separately confirms a wholly owned 10-Gigabit fiber network in San Francisco.	Up to 10 Gbps	Exact address and current construction/service status
T-Mobile Home Internet 5G fixed wireless	5G fixed wireless	Current 94133 provider data reports T-Mobile 5G home internet availability at about 78.1% in one current dataset. Eligibility remains capacity- and address-dependent.	Up to 498 Mbps in current reporting	Address eligibility, signal and available capacity
Verizon 5G Home Internet Dataset-dependent footprint	Fixed wireless	Verizon confirms 5G Home Internet service in San Francisco. Current 94133 datasets disagree substantially on the ZIP footprint, ranging from a limited reported footprint in one dataset to much broader estimates in another.	Up to 300 Mbps on one current base-plan description; faster tiers may vary by location	Exact address, signal and current eligible plan
Astound Broadband Small local footprint	Fiber / cable	Current ZIP-level data identifies Astound in 94133, but at a substantially smaller reported footprint than Xfinity. One current dataset places Astound's fiber footprint at about 3%.	Up to 1.5–2 Gbps depending on technology and location	Whether the exact building is inside Astound's network
XNET WiFi Fixed wireless	Fixed wireless	Current ZIP-level data reports XNET WiFi availability across roughly 70% of 94133, making it one of the more significant non-traditional providers in the ZIP.	Up to 2 Gbps in current ZIP-level reporting	Building eligibility, equipment and current network reach
Unwired Fixed wireless	Fixed wireless	Current ZIP-level data reports Unwired availability across roughly 95% of 94133. This is a network coverage indicator and does not establish serviceability for every building.	Up to 300 Mbps	Exact address, installation requirements and line-of-sight
Etheric Networks Fixed wireless	Fixed wireless	Current 94133 data reports Etheric across a large portion of the ZIP. The provider's local network can represent an alternative where wired service options are constrained.	Up to 250 Mbps in current ZIP-level reporting	Exact address, installation conditions and network path
Satellite providers Broad geographic option	Satellite	Starlink, Viasat and HughesNet are geographically available across 94133. Their availability is structurally different from local cable and fiber networks.	Provider and plan dependent	Equipment location, sky view, latency and plan terms

ZIP-level interpretation: The strongest consistent finding is the combination of a very broad Xfinity cable footprint, widespread reported AT&T service, a smaller Sonic fiber footprint and significant fixed-wireless competition. Exact percentages vary because broadband datasets use different update dates, geographic methods and provider records. They should not be interpreted as live guarantees for individual apartments or units.

Internet providers serving the 94133 market

The provider descriptions below emphasize the actual ZIP-level evidence and the distinction between a provider being reported in 94133 and a provider being serviceable at a particular building.

Xfinity

Cable Broad 94133 footprint Up to 2 Gbps reported

Xfinity is the most consistently documented wired network in 94133. A current FCC-data-based source reports approximately 99.88% cable coverage, while another current ZIP provider dataset reports roughly 95.4%. The difference illustrates why a single percentage should not be treated as a precise live serviceability measurement.

Cable is the principal Xfinity technology reported in the ZIP.
Current offerings include multi-gigabit download tiers where available.
Upload performance can differ substantially from fiber alternatives.
Building wiring and unit-level records still determine actual ordering.

Local evidence: Current 94133 broadband sources consistently identify Xfinity as the broadest cable network, with reported coverage around 95% to nearly 100% depending on the dataset.

AT&T

Fiber / IPBB Broad reported ZIP presence Up to 5 Gbps fiber

AT&T has one of the broadest reported provider footprints in 94133. Current ZIP-level data reports AT&T service across approximately 98.6% of the ZIP in one dataset. That number should be interpreted carefully: the provider listing combines fiber and other AT&T technologies. AT&T itself states that fiber is available in parts of San Francisco and requires an address check.

AT&T Fiber is the relevant AT&T technology when comparing fiber with cable.
Current AT&T information lists fiber speeds up to 5 Gbps where available.
A broad AT&T ZIP presence does not establish broad fiber coverage.
The exact property determines which AT&T technology can be ordered.

Local evidence: A current 94133 provider dataset reports approximately 98.6% AT&T availability. AT&T's current San Francisco fiber information states that AT&T Fiber is available in parts of the city and directs users to an address-level check.

Sonic

Fiber Partial 94133 footprint Up to 10 Gbps

Sonic provides a distinctly different network option from the dominant cable infrastructure. Sonic states that its San Francisco network is a wholly owned 10-Gigabit fiber network. Current ZIP-level data reports Sonic fiber at about 21.4% of 94133, indicating that Sonic is locally relevant but not a ZIP-wide fiber network.

Sonic uses fiber rather than the neighborhood cable plant used by Xfinity.
Sonic reports a 10-Gigabit San Francisco network.
Fiber can provide substantially different upload performance from cable.
The 94133 coverage estimate does not identify every serviceable building.

Local evidence: Current ZIP-level provider data reports Sonic fiber at approximately 21.4% of 94133. Sonic's current San Francisco page describes its wholly owned 10-Gigabit fiber network and provides an address checker.

T-Mobile Home Internet

5G fixed wireless Broad reported 94133 presence Capacity-dependent

T-Mobile is a significant wireless alternative in 94133. One current ZIP-level provider dataset reports approximately 78.1% availability, with typical reported download ranges tied to T-Mobile's current 5G Home Internet service. Unlike cable and fiber, eligibility can change with local cellular capacity and the exact location of the home.

No dedicated cable or fiber drop is required to the home.
Wireless performance depends on network conditions and signal.
Nearby addresses can receive different eligibility results.
The provider's address check should be used before treating service as available.

Local evidence: Current 94133 provider data reports T-Mobile 5G home internet at approximately 78.1% availability in one dataset. That is a useful indicator of market presence, not a property-level guarantee.

Verizon 5G Home Internet

Fixed wireless San Francisco service Address dependent

Verizon confirms that 5G Home Internet is available in San Francisco. ZIP-level estimates for 94133 vary considerably between current datasets, illustrating the difficulty of translating wireless network coverage into household eligibility. Verizon itself states that availability depends on the home address and that some neighboring addresses can receive different results.

Service uses Verizon's 5G wireless network rather than neighborhood cable plant.
Signal and local network capacity can affect home eligibility.
Building position and receiver placement can matter.
Verizon's address checker is required for a current result.

Local evidence: Verizon maintains a current San Francisco 5G Home Internet service page. Current ZIP-level datasets disagree on the precise 94133 footprint, so the address-level result should take precedence.

Astound Broadband

Fiber / cable Small 94133 footprint Up to 1.5–2 Gbps reported

Astound is present in the wider San Francisco broadband market but represents a much smaller reported footprint in 94133 than Xfinity. Current ZIP-level data identifies approximately 3% Astound fiber availability. Astound's own service checker requires a street address and ZIP code, making it particularly important to verify building-level eligibility rather than relying on a ZIP provider list.

Astound's Bay Area network can use fiber and coaxial delivery depending on location.
The 94133 reported footprint is considerably smaller than Xfinity's.
Current plans and delivery technology depend on the service address.
Astound's own availability checker should determine whether the property qualifies.

Evidence standard: Astound is retained as a local secondary provider rather than presented as a ZIP-wide network. Current 94133 data indicates a small footprint, while Astound's current service tool requires address-level verification.

XNET WiFi

Fixed wireless Large reported ZIP footprint Up to 2 Gbps reported

XNET WiFi is notable because fixed wireless represents a meaningful portion of the 94133 provider landscape. Current ZIP-level data reports XNET availability across roughly 70% of the ZIP. This does not mean every apartment or building can receive service: wireless deployment can depend on building position, equipment and network path.

XNET is a fixed-wireless alternative to the main wired networks.
Current ZIP-level reporting lists speeds up to 2 Gbps.
Actual installation requirements vary by property.
Address-level verification remains necessary.

Local evidence: Current 94133 provider data reports XNET WiFi at approximately 73.5% availability in one dataset. It is therefore relevant to the local provider market even though it is not a conventional cable or fiber network.

Unwired and Etheric Networks

Fixed wireless Local alternatives Address dependent

Unwired and Etheric Networks are additional fixed-wireless providers appearing in current 94133 data. One current dataset reports Unwired at approximately 95% and Etheric at approximately 80% availability. These percentages are notably broad for providers that operate differently from mass-market cable networks, so they should be treated as coverage indicators rather than service guarantees.

Both providers use fixed-wireless network infrastructure.
Reported coverage is broad enough to make them relevant during address research.
Actual installation can depend on the building and wireless path.
Current plan availability should be confirmed directly.

Local evidence: Current 94133 provider data lists Unwired at roughly 95% and Etheric at roughly 80% availability. Their inclusion reflects the unusually diverse fixed-wireless layer documented in the ZIP.

94133 internet speed guide

The speed tier that matters depends on household activity, but 94133 makes network type particularly important. A cable connection, a dedicated fiber connection and a fixed-wireless service can advertise very different upload, latency and consistency characteristics even when their headline download speeds appear similar.

100–300

Mbps

A practical range for ordinary browsing, video calls, streaming and smaller households when the connection is stable.

500 Mbps

Mbps

Useful for households with multiple simultaneous users, streaming devices, cloud services and larger downloads.

1–2 Gbps

High-capacity plans

Relevant where multi-gigabit cable or fiber is actually delivered to the property and the home network can use the additional capacity.

5–10 Gbps

Multi-gig fiber

Potentially available through fiber providers such as AT&T or Sonic at qualifying addresses, but not representative of every 94133 property.

Do not compare download speed alone. In 94133, the difference between cable, fiber and fixed wireless can be more important than the headline download number. Upload capacity, latency, congestion, building wiring, installation requirements and recurring pricing can materially change the practical value of a plan.

Connection types in 94133

94133 combines a large cable network with partial fiber coverage and an unusually visible fixed-wireless layer. The geography and building mix help explain why provider availability can differ substantially from one address to another.

Fiber

AT&T and Sonic are the most important fiber providers to investigate. AT&T confirms fiber availability in parts of San Francisco, while Sonic reports a wholly owned 10-Gigabit San Francisco fiber network. Current 94133 data shows Sonic at about 21%, so fiber is significant but not universal.

Cable

Xfinity is the dominant reported cable network in 94133. Current secondary sources put its cable footprint around 95% to nearly 100%. This makes cable the most consistently documented wired technology in the ZIP.

5G / fixed wireless

T-Mobile, Verizon, XNET, Unwired and Etheric appear in current 94133 provider data. Their networks can reach buildings without traditional cable or fiber drops, but eligibility depends on address, signal, capacity and installation conditions.

Satellite

Starlink, Viasat and HughesNet remain geographically available across 94133. Satellite does not depend on local cable or fiber plant in the same way, although latency, equipment placement and weather conditions make it a materially different connection type.

What is different about broadband in 94133?

94133 covers a compact but unusually varied part of San Francisco, including Chinatown, North Beach and the Pier 39 area. The ZIP also interacts with the surrounding Russian Hill and Telegraph Hill geography. Its buildings, hillsides, commercial corridors and dense multifamily housing make building-level broadband research more important than a simple ZIP provider list.

94133 is a dense central-city ZIP with several distinct building environments

San Francisco's ZIP documentation associates 94133 primarily with Chinatown, North Beach and Pier 39. North Beach and Telegraph Hill also contain a mix of flats, condos, older homes, commercial properties and hillside structures. Broadband networks may therefore reach the street while the actual building connection remains the limiting factor.

Xfinity provides the broadest documented cable layer

Current FCC-data-based secondary information reports approximately 99.88% Xfinity cable coverage in 94133, while another current ZIP provider source reports approximately 95.4%. The exact figures differ, but both support the same practical finding: Xfinity is the most consistently documented cable network in the ZIP.

AT&T's broad ZIP presence should not be confused with fiber coverage

A current ZIP provider dataset reports AT&T service across roughly 98.6% of 94133. That figure includes multiple AT&T technologies. AT&T's own San Francisco fiber page is more specific, stating that AT&T Fiber is available in parts of the city and requiring an address-level check. This distinction is important when comparing fiber against cable.

Sonic fiber is locally important but substantially narrower than cable

Current 94133 provider data reports Sonic fiber at about 21.4% of the ZIP. Sonic separately describes its San Francisco network as a wholly owned 10-Gigabit fiber network. The local implication is that some 94133 buildings have a meaningful fiber alternative to Xfinity, while many others do not.

Fixed wireless is more significant here than a simple cable-versus-fiber comparison suggests

Current 94133 datasets identify T-Mobile, Verizon, XNET, Unwired and Etheric among the local wireless options. T-Mobile alone is reported at roughly 78% availability in one current dataset, while XNET, Unwired and Etheric also show substantial reported footprints. This gives some buildings alternatives that do not require the same wired infrastructure used by cable or fiber.

Multifamily and mixed-use buildings make unit-level verification important

Chinatown and North Beach contain dense blocks with apartments, condos, mixed-use buildings and commercial properties. For these addresses, the provider network reaching the block is only one part of the serviceability question. Internal wiring, building equipment, unit location and property-level arrangements can affect which technologies can actually be installed.

94133 local broadband findings

These findings focus on what current ZIP-level evidence establishes about 94133 rather than converting provider percentages into claims about every address.

Finding	Evidence	What it means for a 94133 address
Xfinity cable	Current sources report roughly 95% to nearly 100% coverage; one FCC-data-based source reports 99.88%.	Xfinity is the most broadly documented wired network and should be checked at most 94133 properties.
AT&T service	One current ZIP dataset reports approximately 98.6% AT&T availability, while AT&T confirms fiber in parts of San Francisco.	AT&T should be checked independently, but the ZIP figure does not establish universal AT&T Fiber.
Sonic fiber	Current ZIP data reports about 21.4% Sonic availability; Sonic describes a wholly owned 10-Gigabit San Francisco network.	Some buildings have a significant fiber alternative to cable, but the network is not ZIP-wide.
T-Mobile 5G	Current ZIP provider data reports approximately 78.1% availability in one dataset.	Fixed wireless is a meaningful alternative, particularly where wired choices are limited or where the property qualifies.
Verizon 5G	Verizon confirms San Francisco 5G Home Internet, while 94133 ZIP-level estimates differ substantially between datasets.	Verizon should be checked directly at the address rather than inferred from a ZIP percentage.
XNET / Unwired / Etheric	Current ZIP data reports substantial fixed-wireless footprints for each provider.	These providers expand the local market beyond the major cable, fiber and mobile-network brands.
Astound Broadband	Current 94133 data identifies a small Astound footprint, including approximately 3% fiber coverage in one dataset.	Astound is worth checking at a specific property but should not be presented as a broadly available ZIP-wide network.

Neighborhoods and development patterns inside 94133

San Francisco's official ZIP documentation associates 94133 with Chinatown, North Beach and Pier 39. These areas contain different building forms and infrastructure conditions, so the neighborhood references below are useful for understanding geography but are not provider-availability guarantees.

Chinatown Dense blocks with substantial multifamily and mixed-use development. Building-level wiring and the internal distribution of broadband infrastructure can matter as much as the provider's street network.

North Beach A dense residential and commercial neighborhood associated with 94133. The mixture of flats, apartments, condos and older structures makes unit-level verification particularly useful.

Telegraph Hill area Hilly streets and a mixture of homes, flats and condominium properties. The ZIP boundary and neighborhood boundary do not define the physical path of a broadband network.

Pier 39 / Fisherman's Wharf area A heavily commercial and visitor-oriented waterfront area. Residential, hotel, business and mixed-use properties can have different service arrangements from ordinary single-family addresses.

Russian Hill edge Russian Hill crosses ZIP boundaries, including 94133 and 94109. A property close to the boundary should be researched by exact address rather than assuming the neighboring ZIP has the same provider mix.

North Beach / Telegraph Hill transition Closely spaced streets and buildings can contain different construction eras and property types. A network reported throughout the ZIP may therefore produce different results from one building to the next.

Why this matters: 94133 is geographically compact but structurally diverse. Its broadband market cannot be understood accurately by treating the ZIP as one homogeneous residential subdivision. Cable coverage can be broad while fiber remains selective, and wireless eligibility can vary by building position and network capacity.

Nearby San Francisco ZIP-code broadband guides

Neighboring San Francisco ZIP codes can have materially different network footprints. Use them as separate research areas rather than assuming their provider mix is identical to 94133.

94108 Chinatown / Union Square broadband guide 94109 Russian Hill / Nob Hill broadband guide 94111 Financial District / Embarcadero broadband guide 94123 Marina broadband guide

How to verify internet service at a 94133 address

The useful sequence is to identify the local wired and wireless network options first, then verify the exact building and unit with each provider.

1. Check the major wired networks first

Check Xfinity for current cable service and plan tiers.
Check AT&T specifically for Fiber rather than relying on its broad ZIP presence.
Check Sonic for fiber availability.
Check Astound because its footprint is much smaller and location-specific.

2. Check fixed wireless separately

Check T-Mobile Home Internet at the exact address.
Check Verizon 5G Home Internet independently.
Consider XNET, Unwired and Etheric where they report local coverage.
For apartments and condos, verify installation and receiver requirements.

3. Compare more than download speed

Upload speed
Latency
Data allowances or network-management policies
Equipment and Wi-Fi requirements
Installation requirements
Regular pricing after introductory periods

4. Treat ZIP-level data as a research layer

FCC-derived and other ZIP-level datasets are useful for identifying the provider landscape in 94133. They can establish that a provider reports service somewhere within the ZIP without proving that the network reaches a specific apartment, condo, hotel, mixed-use property or individual unit. Provider address checkers should therefore take precedence for final service verification.

What to compare before choosing a 94133 connection

The provider mix in 94133 makes the physical connection reaching the building especially important. The most useful comparison is not simply the largest advertised download number.

Fiber versus cable

Compare upload capacity

Sonic and qualifying AT&T Fiber addresses can offer much stronger upload performance than traditional cable service. That difference can matter for cloud backups, large file transfers, remote work and other upload-heavy activities.

Wireless alternatives

Check fixed wireless before assuming cable is the only choice

T-Mobile, Verizon, XNET, Unwired and Etheric appear in current 94133 data. Their availability can be particularly relevant for properties where wired alternatives are limited, although wireless service must still be verified at the address.

Multifamily housing

Verify the building and unit

In Chinatown, North Beach and surrounding dense central San Francisco blocks, the network serving the street does not necessarily determine what can be installed inside every unit. Ask which providers serve the building and what wiring or equipment is required.

Check the exact 94133 address

ZIP-level research identifies the local market. Provider address tools determine what can actually be ordered at the property.

Check Availability

Sources and methodology

This page gives greater weight to official provider information for current network and service-area statements, while using ZIP-level broadband datasets as a secondary coverage layer. Conflicting percentages are retained as evidence of dataset differences rather than being converted into false precision.

Official provider sources

AT&T's current San Francisco fiber page, which states that AT&T Fiber is available in parts of San Francisco and requires an address check.
Sonic's current San Francisco residential page, which describes its wholly owned 10-Gigabit fiber network and provides an address-level availability check.
Astound Broadband's current Bay Area service information and service checker, which require location-specific verification.
Verizon's current San Francisco 5G Home Internet information, which confirms local service and states that availability varies by location.

ZIP-level broadband data

Current 94133 provider data reports approximately 98.6% AT&T, 95.4% Xfinity, 78.1% T-Mobile, 21.4% Sonic and smaller reported footprints for several other providers in one current dataset.
A separate FCC-data-based source reports approximately 99.88% Xfinity cable coverage in 94133.
Current ZIP-level sources also identify XNET, Unwired and Etheric as meaningful fixed-wireless providers in the local market.
The FCC National Broadband Map uses provider-submitted Broadband Data Collection information and provides address-level information about reported providers, technologies and speeds.
Differences between datasets are retained because provider records, geographic methods and update dates can produce different ZIP-level coverage estimates.

Research limitation: A ZIP code is a postal geography, not a broadband service boundary. The sources reviewed use different update dates, geographic units and coverage methodologies. A reported percentage can therefore describe network presence across the ZIP without proving service at every address. Provider address checkers and the FCC National Broadband Map's location-level information are more precise for a specific property.

94133 internet provider FAQ

Answers below distinguish ZIP-level evidence from what can actually be established for an individual San Francisco address.

What internet providers serve ZIP code 94133?

Current ZIP-level evidence identifies Xfinity, AT&T, Sonic, T-Mobile, Verizon and additional fixed-wireless and satellite providers in the 94133 market. Xfinity has the broadest reported cable footprint, while AT&T has a broad overall service presence and Sonic provides a smaller fiber footprint. Exact availability should be confirmed by address.

Is AT&T Fiber available in 94133?

AT&T states that fiber is available in parts of San Francisco. Current ZIP-level data reports a very broad AT&T service footprint in 94133, but that figure includes multiple technologies. AT&T's own address checker is required to determine whether a specific 94133 property receives Fiber and which tier is offered.

Is Sonic Fiber available in 94133?

Yes, current ZIP-level provider data reports Sonic fiber in roughly 21% of 94133. Sonic also describes its San Francisco network as a wholly owned 10-Gigabit fiber network. The ZIP percentage is a coverage estimate, not a guarantee for an individual building.

Does Xfinity serve 94133?

Yes. Xfinity has the broadest documented cable footprint in the ZIP. Current datasets report approximately 95% to nearly 100% coverage, with one FCC-data-based source reporting approximately 99.88%. Individual properties should still be checked directly.

Does Astound Broadband serve 94133?

Astound appears in current San Francisco and 94133 broadband data, but its reported 94133 footprint is much smaller than Xfinity's. One current ZIP dataset reports approximately 3% Astound fiber coverage. Astound's address checker should be used for final verification.

Is T-Mobile 5G Home Internet available in 94133?

Current ZIP-level provider data reports T-Mobile 5G Home Internet across a substantial portion of 94133, including approximately 78.1% in one current dataset. Fixed-wireless eligibility depends on the exact address, local network capacity and wireless conditions.

Is Verizon 5G Home Internet available in 94133?

Verizon confirms 5G Home Internet service in San Francisco. Current 94133 datasets differ substantially in their estimates of Verizon's local footprint. Verizon also states that availability depends on the home address and that neighboring properties can receive different eligibility results.

Can two nearby apartments in 94133 have different providers?

Yes. Cable and fiber networks can have different building footprints, while fixed-wireless eligibility can depend on signal, receiver placement and network capacity. Multifamily properties can also have different internal wiring or property-level arrangements.

Is the fastest advertised speed necessarily the best connection?

Not necessarily. Download speed is only one measurement. Upload capacity, latency, congestion, equipment, installation requirements, regular pricing after promotions and the physical technology reaching the property can materially affect the practical value of an internet connection.

Why do 94133 provider coverage percentages differ between sources?

Broadband datasets can use different update dates, geographic units, provider records and methods for translating reported network availability into ZIP-level percentages. For 94133, the sources reviewed consistently show a very broad Xfinity cable footprint and meaningful AT&T, Sonic and fixed-wireless presence, while the exact percentages differ.

Why does this page use ZIP-level data instead of claiming exact coverage?

ZIP-level data is useful for identifying the broadband market around 94133, but provider networks do not follow postal boundaries exactly. Treating a ZIP percentage as proof of service at every address would overstate what the data establishes. The most precise result comes from checking the provider against the exact street address and unit.

Availability disclaimer: Provider names, technologies, advertised speeds, pricing and availability can change. ZIP-level broadband information does not guarantee service at an individual address. Apartment buildings, condominiums, hotels, mixed-use properties and individual units may have different network infrastructure. Always confirm service, technology, speed, equipment requirements and current pricing directly with the provider before ordering.