Compare cell coverage in San Ramon, CA

See the best cell service provider in San Ramon 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.

FCC data as of June 30, 2022, updated November 18, 2022

AT&T

Excellent coverage

AT&T has 100% of San Ramon covered by 5G service and 100% covered by 4G LTE service.

100%

covered by 5G

100%

covered by 4G LTE

Amount of San Ramon covered:
100%
Excellent reception
9.2%
Good reception
35.5%
Average reception
40.6%
Fair reception
14.3%
Poor reception
0.5%

Verizon

Excellent coverage

Verizon has 45% of San Ramon covered by 5G service and 100% covered by 4G LTE service.

45%

covered by 5G

100%

covered by 4G LTE

Amount of San Ramon covered:
100%
Excellent reception
53.9%
Good reception
36.9%
Average reception
8.8%
Fair reception
0.5%

T-Mobile

Excellent coverage

T-Mobile has 84% of San Ramon covered by 5G service and 100% covered by 4G LTE service.

84%

covered by 5G

100%

covered by 4G LTE

Amount of San Ramon covered:
100%
Excellent reception
35.0%
Good reception
55.8%
Average reception
9.2%

Coverage data: FCC National Broadband Map

Coverage over time

FCC data as ofAT&T 4G / 5GVerizon 4G / 5GT-Mobile 4G / 5G
June 30, 2022100% / 100%100% / 45%100% / 84%

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