RICHMOND · CA · FCC DATA

Best cell phone coverage in Richmond Richmond, California

Outdoors the carriers report 54.2% (AT&T) to 99.7% (Verizon) of Richmond, CA, but 42.8% of Richmond, 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 · RICHMOND, CA

Coverage in Richmond, CA

Population 115,353 (Census 2024 estimate)

What stands out in Richmond

  • Verizon reports 94.3% of Richmond in a moving car, against 33.6% of California as a whole.
  • 5G at 35/3 Mbps covers 92.2% of Richmond, against 47.7% of California.
  • Beyond the city limits it thins: across Contra Costa County, Verizon reports 78.5% in a moving car, against 94.3% in Richmond.
  • T-Mobile loses the most of Richmond in a moving car: 54.8% outdoors, 41.2% in a car.
≈ NO CLEAR LEADER ON LAND
All three carriers
54.2–99.7%

AT&T vs T-Mobile vs Verizon in Richmond

=
Verizon
Outdoor
99.7%
In car
94.3%
=
T-Mobile
Outdoor
54.8%
In car
41.2%
=
AT&T
Outdoor
54.2%
In car
47.9%

4G and 5G across all carriers in Richmond

4G LTE
99.9%
5G 7/1
97.9%
5G 35/3
92.2%

Check your street on each carrier's map

Around Richmond, in Contra Costa County

The towns nearby where one carrier reports the least outdoors: Port Costa (T-Mobile 66.7%), Rodeo (T-Mobile 84.4%), Diablo (T-Mobile 90.9%), Moraga (T-Mobile 92.8%).

Questions about coverage in Richmond

Q1

How does Richmond compare with the rest of California?

Outdoors Verizon 99.7% (state 64.3%), T-Mobile 54.8% (state 51.4%), AT&T 54.2% (state 57.3%); in a moving car Verizon 94.3% (state 33.6%), AT&T 47.9% (state 36.2%), T-Mobile 41.2% (state 26.8%).

ZIP codes mostly inside Richmond

94801, 94803, 94804, 94805.