Compare cell coverage in St. Clair County, IL

See the best cell service provider in St. Clair 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 50% of St. Clair County covered by 5G service and 51% covered by 4G LTE service.

50%

covered by 5G

51%

covered by 4G LTE

Amount of St. Clair County covered:: 50.9%
Excellent reception: 6.4%
Good reception: 11.9%
Average reception: 19.7%
Fair reception: 12.6%
Poor reception: 0.4%
No Signal: 49.1%

Verizon has 31% of St. Clair County covered by 5G service and 52% covered by 4G LTE service.

31%

covered by 5G

52%

covered by 4G LTE

Amount of St. Clair County covered:: 51.9%
Excellent reception: 9.7%
Good reception: 19.3%
Average reception: 20.6%
Fair reception: 2.2%
Poor reception: 0.1%
No Signal: 48.1%

T-Mobile has 32% of St. Clair County covered by 5G service and 45% covered by 4G LTE service.

32%

covered by 5G

45%

covered by 4G LTE

Amount of St. Clair County covered:: 45.2%
Excellent reception: 4.5%
Good reception: 13.6%
Average reception: 26.9%
Fair reception: 0.2%
No Signal: 54.8%

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	51% / 50%	52% / 31%	45% / 32%

Cities in St. Clair County

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