CONCORD · CA · FCC DATA

Best cell phone coverage in Concord Concord, California

AT&T, T-Mobile and Verizon all report outdoor coverage of between 98.7% and 100% of Concord, CA, so no carrier wins on outdoor coverage here.

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

RESULT · CONCORD, CA

Coverage in Concord, CA

Population 124,016 (Census 2024 estimate)

What stands out in Concord

  • Verizon reports 98.5% of Concord in a moving car, against 33.6% of California as a whole.
  • Beyond the city limits it thins: across Contra Costa County, T-Mobile reports 53.1% in a moving car, against 83% in Concord.
  • 5G at 35/3 Mbps covers 99.3% of Concord, against 47.7% of California.
  • T-Mobile loses the most of Concord in a moving car: 100% outdoors, 83% in a car.
✓ ALL THREE WITHIN 1.3 POINTS
All three carriers
98.7–100%

AT&T vs T-Mobile vs Verizon in Concord

=
Verizon
Outdoor
100%
In car
98.5%
=
T-Mobile
Outdoor
100%
In car
83%
=
AT&T
Outdoor
98.7%
In car
93.7%

4G and 5G across all carriers in Concord

4G LTE
100%
5G 7/1
100%
5G 35/3
99.3%

Check your street on each carrier's map

Verizon coverage map → T-Mobile coverage map → AT&T coverage map →

Around Concord, 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 Concord

Q1

How does Concord compare with the rest of California?

Outdoors Verizon 100% (state 64.3%), T-Mobile 100% (state 51.4%), AT&T 98.7% (state 57.3%); in a moving car Verizon 98.5% (state 33.6%), AT&T 93.7% (state 36.2%), T-Mobile 83% (state 26.8%).

ZIP codes mostly inside Concord

94518, 94519, 94520, 94521.

See the statewide California comparison, or coverage in Bakersfield, Fremont, Oxnard, Oceanside, Palmdale, Hayward, Santa Clara, Fairfield, Berkeley, Antioch, Richmond, Murrieta.

Cities with figures closest to Concord's: Las Cruces, NM, Lakeland, FL, Reno, NV, Colorado Springs, CO, High Point, NC.