Compare cell coverage in Jefferson County, CO

See the best cell service provider in Jefferson 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 85% of Jefferson County covered by 5G service and 96% covered by 4G LTE service.

85%

covered by 5G

96%

covered by 4G LTE

Amount of Jefferson County covered:: 96.1%
Excellent reception: 15.3%
Good reception: 27.9%
Average reception: 35.5%
Fair reception: 16.9%
Poor reception: 0.5%
No Signal: 3.9%

Verizon has 94% of Jefferson County covered by 5G service and 99% covered by 4G LTE service.

94%

covered by 5G

99%

covered by 4G LTE

Amount of Jefferson County covered:: 99.3%
Excellent reception: 38.4%
Good reception: 39.0%
Average reception: 18.3%
Fair reception: 3.4%
Poor reception: 0.1%
No Signal: 0.7%

T-Mobile has 76% of Jefferson County covered by 5G service and 88% covered by 4G LTE service.

76%

covered by 5G

88%

covered by 4G LTE

Amount of Jefferson County covered:: 88.4%
Excellent reception: 18.4%
Good reception: 31.8%
Average reception: 37.3%
Fair reception: 0.9%
No Signal: 11.6%

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	96% / 85%	99% / 94%	88% / 76%

Cities in Jefferson County

View cell coverage by city: