Internet providers in San Francisco, California

San Francisco is in San Francisco County, California, and has 26 ZIP codes. Available providers can differ from one ZIP code to the next, so pick yours below.

Xfinity reports service to the most residential locations in San Francisco, about 98%. 6 providers report coverage of at least half of locations (Xfinity, AT&T, Unwired, Etheric Communications, T-Mobile Home Internet, and Verizon), so the market looks competitive. Fiber-focused providers reporting service here include Sonic Telecom (32%) and Google Fiber (5%). Unwired, Etheric Communications, T-Mobile Home Internet, and California Internet offer fixed wireless home internet, an option if you prefer no cable or fiber installation.

Our picks for internet in San Francisco

Widest coverage: Xfinity (about 98% of locations)
Fiber-focused option: Sonic Telecom (about 32% of locations)
No-install wireless option: Unwired (about 94% of locations)

Picks are based on the share of locations each provider reports serving, not on price or customer reviews.

ZIP codes in San Francisco

Compare internet providers in San Francisco, California

Share of residential locations in San Francisco where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.

#	Provider	Technology (varies by address)	Locations covered
1	Xfinity	Cable	98%
2	AT&T	Fiber, DSL, Fixed wireless	97%	Check availability
3	Unwired	Fixed wireless	94%
4	Etheric Communications	Fixed wireless	77%
5	T-Mobile Home Internet	Fixed wireless	73%
6	Verizon	Fiber, Fixed wireless	67%	Check availability
7	Sonic Telecom	Fiber	32%
8	Astound Broadband	Fiber, Cable	25%
9	California Internet	Fixed wireless	21%
10	Google Fiber	Fiber	5%

Show 1 more provider with smaller coverage

Sail Internet Holdings

Fixed wireless

Satellite internet

1	HughesNet	Satellite	99%+
2	Viasat	Satellite	99%+
3	Starlink	Satellite	99%+

Satellite service is available at nearly every address but typically has higher latency than wired options.

Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.

What technologies are available in San Francisco?

44%

of locations can get fiber

97%

can get cable

23%

can get DSL

99%+

can get fixed wireless

99%+

can get 100+ Mbps

74%

can get gigabit

Fiber reaches about 44% of locations in San Francisco, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 74% of locations. Fixed wireless home internet is reported for about 99%+ of locations.

FCC National Broadband Map, data as of December 31, 2025: share of residential locations in San Francisco that providers report they can serve. City-level figures, not your address.

Best-connected ZIP codes in San Francisco

94105 — 98% of households have broadband
94114 — 97% of households have broadband
94129 — 97% of households have broadband
94131 — 97% of households have broadband
94123 — 96% of households have broadband

Compare San Francisco with other big cities

Frequently asked questions

Is fiber internet available in San Francisco?

Yes, in part. About 44% of residential locations in San Francisco can get fiber, 97% can get cable, and about 74% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.

Which internet provider has the widest coverage in San Francisco?

Xfinity reports service to about 98% of residential locations in San Francisco, the most of any provider, per FCC data. Availability still depends on your address.

How many internet providers serve San Francisco?

10 providers report service to at least 2% of locations in San Francisco, and 6 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.

Is there fiber internet in San Francisco?

Fiber providers reporting service in San Francisco include Sonic Telecom (32% of locations) and Google Fiber (5% of locations). Other providers may also offer fiber in parts of the city, so check your address.

What is the difference between fiber, cable and DSL?

Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.

What internet speed do I need in San Francisco?

Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.