Internet providers in San Antonio, Texas

San Antonio is in Bexar and Comal counties, Texas, and has 60 ZIP codes. Available providers can differ from one ZIP code to the next, so pick yours below.

Spectrum reports service to the most residential locations in San Antonio, about 94%. 4 providers report coverage of at least half of locations (Spectrum, AT&T, Verizon, and T-Mobile Home Internet), so the market looks competitive. Fiber-focused providers reporting service here include Google Fiber (32%). T-Mobile Home Internet and Alamo Broadband offer fixed wireless home internet, an option if you prefer no cable or fiber installation.

Our picks for internet in San Antonio

Widest coverage: Spectrum (about 94% of locations)
Fiber-focused option: Google Fiber (about 32% of locations)
No-install wireless option: T-Mobile Home Internet (about 65% of locations)

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

ZIP codes in San Antonio

Compare internet providers in San Antonio, Texas

Share of residential locations in San Antonio 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	Spectrum	Fiber, Cable	94%
2	AT&T	Fiber, DSL, Fixed wireless	76%	Check availability
3	Verizon	Fiber, Fixed wireless	69%	Check availability
4	T-Mobile Home Internet	Fixed wireless	65%
5	Google Fiber	Fiber	32%
6	Alamo Broadband	Fixed wireless	27%
7	Valley Telephone Cooperative, Inc. (TX)	Fixed wireless	12%
8	Astound Broadband	Fiber, Cable	11%
9	Innercity Fibernet	Fixed wireless	6%
10	CellTex Networks	Fixed wireless	3%

Show 1 more provider with smaller coverage

Guadalupe Valley Electric Cooperative

Fiber, 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 Antonio?

72%

of locations can get fiber

94%

can get cable

23%

can get DSL

83%

can get fixed wireless

99%+

can get 100+ Mbps

86%

can get gigabit

Fiber is widely available: about 72% of locations in San Antonio can get it. Gigabit-class service (1,000 Mbps down) is reported for about 86% of locations. Fixed wireless home internet is reported for about 83% of locations.

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

Best-connected ZIP codes in San Antonio

78215 — 100% of households have broadband
78234 — 99% of households have broadband
78236 — 99% of households have broadband
78254 — 99% of households have broadband
78248 — 98% of households have broadband

Compare San Antonio with other big cities

Frequently asked questions

Is fiber internet available in San Antonio?

Yes, in part. About 72% of residential locations in San Antonio can get fiber, 94% can get cable, and about 86% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.

Which internet provider has the widest coverage in San Antonio?

Spectrum reports service to about 94% of residential locations in San Antonio, the most of any provider, per FCC data. Availability still depends on your address.

How many internet providers serve San Antonio?

11 providers report service to at least 2% of locations in San Antonio, and 4 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.

Is there fiber internet in San Antonio?

Fiber providers reporting service in San Antonio include Google Fiber (32% 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 Antonio?

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