Internet providers in San Francisco, CA
UPDATED JULY 2026 · BUILT FROM FCC BROADBAND DATA
“All your real options, no promo maze — five minutes by phone.”FCC filings show 9 internet providers serving San Francisco, California across 29 zip codes, with advertised speeds up to 10 Gbps. More providers means better deals — if you know the full lineup at your address.
On the fiber side, AT&T covers the most ground here — 29 San Francisco zips, with Sonic Telecom, LLC close behind. On cable, Xfinity has the broadest reach. 5G home internet is led locally by Unwired Ltd. Competition between AT&T, Verizon and Xfinity keeps San Francisco pricing honest — if your bill crept up, that overlap is your way out.
The search below shows your zip's lineup instantly — and (855) 240-4535 gets you a human who confirms your exact address and handles the order.
Top fiber providers in San Francisco
| Provider | San Francisco coverage |
|---|---|
| AT&T | 29 zips |
| Sonic Telecom, LLC | 21 zips |
| Astound Broadband | 16 zips |
| Xfinity | 10 zips |
| Race Communications | 1 zip |
Top cable providers in San Francisco
| Provider | San Francisco coverage |
|---|---|
| Xfinity | 29 zips |
| Astound Broadband | 21 zips |
5G home internet in San Francisco
| Provider | San Francisco coverage |
|---|---|
| Unwired Ltd | 29 zips |
| T-Mobile | 29 zips |
| Verizon | 29 zips |
| AT&T | 28 zips |
| GeoLinks | 27 zips |
San Francisco zip codes covered
Tap a zip for its full provider list:
9410294103941049410594107941089410994110941119411294114941159411694117941189412194122941239412494127941289412994130941319413294133941349415894188
If your street comes up short
Beyond the wired networks, satellite (Starlink, Viasat, Hughesnet) reaches virtually every San Francisco address — usually the fallback, occasionally the right answer; we'll tell you which honestly.
San Francisco internet FAQ
Who is the largest internet provider in San Francisco, CA?
By zip-level FCC coverage, AT&T reports the widest service across San Francisco's 29 zip codes. Individual streets differ, though — the fastest way to your real list is an address check by phone at (855) 240-4535.
Does San Francisco have fiber internet?
Yes — 5 fiber networks report San Francisco coverage, led by AT&T, with advertised speeds up to 10 Gbps.
Is 5G home internet available in San Francisco?
Yes — Unwired Ltd leads 5G home internet coverage in San Francisco. You plug the gateway in yourself and skip the contract in most cases — availability depends on local tower capacity.
Which San Francisco zip codes does this page cover?
FCC-reported provider data for 29 San Francisco zip codes: 94102, 94103, 94104, 94105, 94107, 94108, 94109, 94110, 94111, 94112, 94114, 94115…. Select any zip above for the complete provider list, or skip to a live address check: (855) 240-4535.
Nearby: Oakland, CA · San Jose, CA · Stockton, CA · all California providers · every state
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