SAN FRANCISCO · CA · FCC DATA

Best cell phone coverage in San Francisco San Francisco, California

Outdoors the carriers report 20.3% (T-Mobile) to 82.6% (Verizon) of San Francisco, CA, but 79.9% of San Francisco, CA's area is water, which carriers file differently, so no carrier shows more of the land covered.

Carrier-reported coverage from FCC carrier filings as of December 31, 2025, not measured signal. How these figures are read

RESULT · SAN FRANCISCO, CA

Coverage in San Francisco, CA

Population 827,526 (Census 2024 estimate)

What stands out in San Francisco

  • AT&T reports 20.3% of San Francisco outdoors, against 57.3% of California as a whole.
  • Verizon loses the most of San Francisco in a moving car: 82.6% outdoors, 58.5% in a car.
  • Across San Francisco County as a whole the three carriers report within 5 points of their San Francisco figures, outdoors and in a car.
  • 5G at 35/3 Mbps covers 49.1% of San Francisco, against 47.7% of California.
≈ NO CLEAR LEADER ON LAND
All three carriers
20.3–82.6%

AT&T vs T-Mobile vs Verizon in San Francisco

=
Verizon
Outdoor
82.6%
In car
58.5%
=
AT&T
Outdoor
20.3%
In car
20.2%
=
T-Mobile
Outdoor
20.3%
In car
17.7%

4G and 5G across all carriers in San Francisco

4G LTE
82.6%
5G 7/1
58.2%
5G 35/3
49.1%

Check your street on each carrier's map

Questions about coverage in San Francisco

Q1

How does San Francisco compare with the rest of California?

Outdoors Verizon 82.6% (state 64.3%), AT&T 20.3% (state 57.3%), T-Mobile 20.3% (state 51.4%); in a moving car Verizon 58.5% (state 33.6%), AT&T 20.2% (state 36.2%), T-Mobile 17.7% (state 26.8%).

ZIP codes mostly inside San Francisco

94102, 94103, 94104, 94105, 94107, 94108, 94109, 94110, 94111, 94112, 94114, 94115, 94116, 94117, 94118, 94121, 94122, 94123, 94124, 94127, 94129, 94130, 94131, 94132, 94133, 94134, 94158, 94188.