Compare cell coverage in San Dimas, CA

See the best cell service provider in San Dimas 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 Dimas covered by 5G service and 100% covered by 4G LTE service.

100%

covered by 5G

100%

covered by 4G LTE

Amount of San Dimas covered:
100%
Excellent reception
22.0%
Good reception
37.4%
Average reception
36.3%
Fair reception
4.4%

Verizon

Excellent coverage

Verizon has 93% of San Dimas covered by 5G service and 99% covered by 4G LTE service.

93%

covered by 5G

99%

covered by 4G LTE

Amount of San Dimas covered:
98.9%
Excellent reception
64.8%
Good reception
28.6%
Average reception
5.5%
No Signal
1.1%

T-Mobile

Excellent coverage

T-Mobile has 91% of San Dimas covered by 5G service and 100% covered by 4G LTE service.

91%

covered by 5G

100%

covered by 4G LTE

Amount of San Dimas covered:
100%
Excellent reception
36.3%
Good reception
48.4%
Average reception
14.3%
Fair reception
1.1%

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%99% / 93%100% / 91%