Compare cell coverage in Napa County, CA

See the best cell service provider in Napa 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 62% of Napa County covered by 5G service and 71% covered by 4G LTE service.

62%

covered by 5G

71%

covered by 4G LTE

Amount of Napa County covered:: 70.6%
Excellent reception: 4.7%
Good reception: 14.2%
Average reception: 27.1%
Fair reception: 23.1%
Poor reception: 1.5%
No Signal: 29.4%

Verizon has 65% of Napa County covered by 5G service and 86% covered by 4G LTE service.

65%

covered by 5G

86%

covered by 4G LTE

Amount of Napa County covered:: 85.7%
Excellent reception: 32.8%
Good reception: 28.5%
Average reception: 17.2%
Fair reception: 6.9%
Poor reception: 0.2%
No Signal: 14.3%

T-Mobile has 36% of Napa County covered by 5G service and 69% covered by 4G LTE service.

36%

covered by 5G

69%

covered by 4G LTE

Amount of Napa County covered:: 69.5%
Excellent reception: 8.9%
Good reception: 23.0%
Average reception: 35.8%
Fair reception: 1.8%
No Signal: 30.5%

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	71% / 62%	86% / 65%	69% / 36%

Cities in Napa County

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