HereFacts

Compare cell coverage in Contra Costa County, CA

California > Contra Costa County

See the best cell service provider in Contra Costa County with our network coverage comparison of AT&T, Verizon, and T-Mobile. Use the search box to see cell coverage down to a street address.

AT&T

Good coverage

 
 
 
 
 

AT&T has 73% of Contra Costa County covered by 5G service and 82% covered by 4G LTE service.

5G
73%
covered by 5G
4G
82%
covered by 4G LTE
 
 
 
 
 
 
. . .
 
 
 
 
 
 
Amount of Contra Costa County covered:
 
82.5%
 
 
 
 
 
Excellent reception
 
7.2%
 
 
 
 
 
Good reception
 
20.3%
 
 
 
 
 
Average reception
 
34.7%
 
 
 
 
 
Fair reception
 
19.4%
 
 
 
 
 
Poor reception
 
0.8%
 
 
 
 
 
No Signal
 
17.5%

Verizon

Good coverage

 
 
 
 
 

Verizon has 66% of Contra Costa County covered by 5G service and 85% covered by 4G LTE service.

5G
66%
covered by 5G
4G
85%
covered by 4G LTE
 
 
 
 
 
 
. . .
 
 
 
 
 
 
Amount of Contra Costa County covered:
 
85.3%
 
 
 
 
 
Excellent reception
 
30.7%
 
 
 
 
 
Good reception
 
33.2%
 
 
 
 
 
Average reception
 
16.6%
 
 
 
 
 
Fair reception
 
4.6%
 
 
 
 
 
Poor reception
 
0.1%
 
 
 
 
 
No Signal
 
14.7%

T-Mobile

Good coverage

 
 
 
 
 

T-Mobile has 53% of Contra Costa County covered by 5G service and 78% covered by 4G LTE service.

5G
53%
covered by 5G
4G
78%
covered by 4G LTE
 
 
 
 
 
 
. . .
 
 
 
 
 
 
Amount of Contra Costa County covered:
 
78.2%
 
 
 
 
 
Excellent reception
 
17.0%
 
 
 
 
 
Good reception
 
31.1%
 
 
 
 
 
Average reception
 
28.2%
 
 
 
 
 
Fair reception
 
1.9%
 
 
 
 
 
No Signal
 
21.8%
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Cities in Contra Costa County

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