Compare cell coverage in Sierra County, CA

See the best cell service provider in Sierra 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.

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

AT&T has 18% of Sierra County covered by 5G service and 44% covered by 4G LTE service.

18%

covered by 5G

44%

covered by 4G LTE

Amount of Sierra County covered:: 43.7%
Excellent reception: 1.4%
Good reception: 4.8%
Average reception: 12.9%
Fair reception: 22.7%
Poor reception: 1.9%
No Signal: 56.3%

Verizon has 12% of Sierra County covered by 5G service and 75% covered by 4G LTE service.

12%

covered by 5G

75%

covered by 4G LTE

Amount of Sierra County covered:: 74.8%
Excellent reception: 6.9%
Good reception: 15.6%
Average reception: 28.1%
Fair reception: 23.5%
Poor reception: 0.5%
No Signal: 25.2%

T-Mobile has 56% of Sierra County covered by 5G service and 64% covered by 4G LTE service.

56%

covered by 5G

64%

covered by 4G LTE

Amount of Sierra County covered:: 64.2%
Excellent reception: 8.0%
Good reception: 27.5%
Average reception: 28.5%
Fair reception: 0.2%
No Signal: 35.8%

Coverage data: FCC National Broadband Map

Coverage over time

FCC data as of	AT&T 4G / 5G	Verizon 4G / 5G	T-Mobile 4G / 5G
June 30, 2022	44% / 18%	75% / 12%	64% / 56%

Cities in Sierra County

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