Compare cell coverage in Charleston County, SC

See the best cell service provider in Charleston 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 44% of Charleston County covered by 5G service and 66% covered by 4G LTE service.

44%

covered by 5G

66%

covered by 4G LTE

Amount of Charleston County covered:: 65.7%
Excellent reception: 7.3%
Good reception: 17.6%
Average reception: 26.1%
Fair reception: 14.3%
Poor reception: 0.3%
No Signal: 34.3%

Verizon has 53% of Charleston County covered by 5G service and 68% covered by 4G LTE service.

53%

covered by 5G

68%

covered by 4G LTE

Amount of Charleston County covered:: 67.8%
Excellent reception: 19.7%
Good reception: 25.0%
Average reception: 19.4%
Fair reception: 3.7%
No Signal: 32.2%

T-Mobile has 61% of Charleston County covered by 5G service and 65% covered by 4G LTE service.

61%

covered by 5G

65%

covered by 4G LTE

Amount of Charleston County covered:: 65%
Excellent reception: 16.0%
Good reception: 29.7%
Average reception: 19.2%
Fair reception: 0.1%
No Signal: 35.0%

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	66% / 44%	68% / 53%	65% / 61%

Cities in Charleston County

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