Capitol County, CT Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Capitol County, CT

Coverage rankings for Capitol County, CT

T-Mobile currently ranks first for coverage in this area, with a coverage score of 88.1. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.

RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1T-Mobile88.193.5%93.5%86.1%65.3% -90 dBm
2AT&T78.997.4%97.3%69.8%49.7% -112 dBm
3Verizon75.498.6%98.6%49.1%31.1% -94 dBm

Scores include coverage area, network type, and average signal strength.

Cell phone coverage map for Capitol County, CT

Zoom in for local detail. Tap or click a colored area to see coverage and signal details. On mobile, use two fingers to move the map.

Coverage Key
Less covered More covered
Darker areas mean the carrier covers more of that location.

Map data © OpenStreetMap contributors, © CARTO. Rendered with MapLibre. FCC BDC mobile coverage processed by Compare Wireless Carriers.

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Cell phone coverage by network in Capitol County, CT

#1

T-Mobile

Coverage Score 88.1
In Capitol County, CT
Overall
93.5%
4G LTE
93.5%
5G
86.1%
Fast 5G
65.3%
Average Signal -90 dBm
#2

AT&T

Coverage Score 78.9
In Capitol County, CT
Overall
97.4%
4G LTE
97.3%
5G
69.8%
Fast 5G
49.7%
Average Signal -112 dBm
#3

Verizon

Coverage Score 75.4
In Capitol County, CT
Overall
98.6%
4G LTE
98.6%
5G
49.1%
Fast 5G
31.1%
Average Signal -94 dBm
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Coverage by city in Capitol County, CT

Cities and towns are shown for county-level comparison. Coverage percentages use land-area only coverage.

CityVerizonAT&TT-Mobile
Amston, CT 89.1% 89.1% 7.5% 3.2% -101 dBm 91.2% 91.2% 17.1% 12.0% -117 dBm 86.4% 86.4% 61.6% 24.8% -99 dBm
Andover, CT 97.8% 97.8% 28.5% 15.3% -98 dBm 92.2% 92.2% 46.5% 40.3% -116 dBm 90.9% 90.9% 80.9% 57.5% -92 dBm
Avon, CT 100.0% 100.0% 36.7% 19.2% -92 dBm 98.5% 98.5% 83.0% 57.0% -111 dBm 96.9% 96.9% 92.0% 66.5% -91 dBm
Berlin, CT 100.0% 100.0% 83.1% 63.7% -89 dBm 99.3% 99.3% 86.0% 55.2% -110 dBm 99.5% 99.5% 98.4% 85.4% -86 dBm
Bloomfield, CT 100.0% 100.0% 59.3% 35.9% -93 dBm 99.8% 99.8% 92.3% 61.3% -111 dBm 100.0% 100.0% 98.4% 85.6% -86 dBm
Blue Hills, CT 100.0% 100.0% 100.0% 96.7% -77 dBm 100.0% 100.0% 100.0% 90.0% -99 dBm 100.0% 100.0% 100.0% 100.0% -77 dBm
Bolton, CT 95.7% 95.7% 40.9% 20.2% -96 dBm 87.9% 87.9% 44.1% 34.3% -115 dBm 86.2% 86.2% 68.6% 45.2% -95 dBm
Broad Brook, CT 100.0% 100.0% 34.3% 18.2% -94 dBm 100.0% 100.0% 83.9% 54.7% -113 dBm 62.8% 62.8% 15.3% 7.3% -99 dBm
Canton, CT 97.8% 97.8% 48.6% 28.0% -95 dBm 97.2% 97.2% 44.0% 26.7% -111 dBm 89.2% 89.1% 79.2% 59.6% -91 dBm
Canton Center, CT 97.8% 97.8% 48.6% 28.0% -95 dBm 97.2% 97.2% 44.0% 26.7% -111 dBm 89.2% 89.1% 79.2% 59.6% -91 dBm
Canton Valley, CT 100.0% 100.0% 59.1% 38.6% -91 dBm 97.7% 97.7% 68.2% 43.2% -113 dBm 79.5% 79.5% 61.4% 54.5% -90 dBm
Collinsville, CT 100.0% 100.0% 51.3% 37.2% -89 dBm 100.0% 100.0% 83.3% 62.8% -110 dBm 93.6% 93.6% 92.3% 67.9% -89 dBm
Columbia, CT 95.9% 95.9% 19.9% 7.0% -99 dBm 94.0% 93.6% 41.3% 39.8% -116 dBm 94.5% 94.5% 88.3% 60.2% -92 dBm
Coventry, CT 99.2% 99.2% 39.4% 19.5% -96 dBm 97.4% 97.4% 59.5% 46.5% -115 dBm 98.3% 98.3% 93.6% 71.3% -90 dBm
Coventry Lake, CT 100.0% 100.0% 42.4% 18.8% -95 dBm 92.9% 92.9% 63.5% 28.2% -117 dBm 100.0% 100.0% 100.0% 83.5% -89 dBm
Crystal Lake, CT 100.0% 100.0% 41.9% 28.6% -94 dBm 93.8% 93.8% 22.9% 20.5% -112 dBm 84.3% 84.3% 68.1% 41.0% -95 dBm
East Berlin, CT 100.0% 100.0% 100.0% 83.3% -88 dBm 100.0% 100.0% 100.0% 91.7% -109 dBm 100.0% 100.0% 100.0% 79.2% -92 dBm
East Granby, CT 99.8% 99.8% 50.2% 27.1% -95 dBm 97.1% 97.1% 54.0% 34.5% -113 dBm 84.0% 84.0% 69.8% 44.0% -94 dBm
East Hartford, CT 100.0% 100.0% 84.9% 61.7% -89 dBm 100.0% 100.0% 100.0% 82.6% -102 dBm 100.0% 100.0% 99.8% 93.7% -82 dBm
Ellington, CT 100.0% 100.0% 49.4% 32.6% -95 dBm 97.2% 97.2% 56.8% 41.5% -113 dBm 73.5% 73.5% 57.3% 34.5% -96 dBm
Enfield, CT 100.0% 100.0% 62.5% 42.4% -93 dBm 99.9% 99.9% 88.2% 70.9% -109 dBm 98.9% 98.9% 96.0% 81.8% -87 dBm
Farmington, CT 100.0% 100.0% 57.3% 37.6% -93 dBm 99.8% 99.8% 85.2% 60.2% -109 dBm 98.5% 98.5% 91.2% 66.6% -90 dBm
Glastonbury, CT 97.9% 97.9% 47.1% 26.5% -94 dBm 97.4% 97.4% 69.5% 55.0% -113 dBm 95.2% 95.2% 89.0% 59.7% -92 dBm
Glastonbury Center, CT 100.0% 100.0% 58.1% 30.8% -94 dBm 100.0% 100.0% 97.4% 92.3% -105 dBm 100.0% 100.0% 94.0% 57.3% -91 dBm
Granby, CT 98.7% 98.7% 23.9% 10.4% -98 dBm 99.7% 99.7% 84.0% 47.3% -115 dBm 83.2% 83.2% 75.0% 50.8% -93 dBm
Hartford, CT 100.0% 100.0% 94.8% 81.4% -85 dBm 100.0% 100.0% 100.0% 68.6% -97 dBm 100.0% 100.0% 100.0% 99.5% -71 dBm
Hazardville, CT 100.0% 100.0% 47.7% 26.5% -97 dBm 100.0% 100.0% 96.2% 75.8% -108 dBm 99.2% 99.2% 99.2% 92.4% -84 dBm
Hebron, CT 94.6% 94.6% 9.3% 3.5% -95 dBm 90.9% 90.9% 38.7% 29.8% -114 dBm 86.0% 86.0% 68.3% 39.1% -96 dBm
Kensington, CT 100.0% 100.0% 95.8% 83.3% -87 dBm 100.0% 100.0% 91.0% 62.5% -108 dBm 100.0% 100.0% 100.0% 97.2% -82 dBm
Manchester, CT 100.0% 100.0% 78.7% 56.1% -93 dBm 100.0% 100.0% 97.3% 83.3% -101 dBm 100.0% 100.0% 100.0% 97.3% -82 dBm
Mansfield Center, CT 98.6% 98.6% 6.8% 1.4% -98 dBm 100.0% 100.0% 59.5% 44.6% -116 dBm 97.3% 97.3% 89.2% 51.4% -96 dBm
Marion, CT 100.0% 100.0% 100.0% 100.0% -87 dBm 100.0% 100.0% 100.0% 73.9% -111 dBm 100.0% 100.0% 100.0% 65.2% -93 dBm
Marlborough, CT 93.1% 92.7% 37.9% 19.2% -98 dBm 91.8% 91.8% 42.0% 32.9% -116 dBm 90.9% 90.9% 73.8% 41.6% -96 dBm
Milldale, CT 100.0% 100.0% 67.1% 45.7% -94 dBm 100.0% 100.0% 98.2% 57.9% -109 dBm 100.0% 100.0% 99.4% 92.1% -88 dBm
New Britain, CT 100.0% 100.0% 90.9% 78.1% -85 dBm 99.7% 99.7% 97.8% 58.9% -101 dBm 100.0% 100.0% 100.0% 97.8% -77 dBm
Newington, CT 100.0% 100.0% 91.5% 70.2% -89 dBm 100.0% 100.0% 99.4% 62.7% -104 dBm 100.0% 100.0% 100.0% 99.1% -82 dBm
North Canton, CT 97.8% 97.8% 48.6% 28.0% -95 dBm 97.2% 97.2% 44.0% 26.7% -111 dBm 89.2% 89.1% 79.2% 59.6% -91 dBm
North Granby, CT 95.0% 95.0% 38.0% 19.0% -98 dBm 98.5% 98.5% 57.0% 49.0% -115 dBm 91.0% 91.0% 81.0% 55.0% -93 dBm
Plainville, CT 100.0% 100.0% 82.9% 62.4% -91 dBm 98.6% 98.6% 97.6% 67.1% -109 dBm 100.0% 100.0% 98.1% 82.9% -87 dBm
Plantsville, CT 100.0% 100.0% 54.5% 40.9% -94 dBm 100.0% 100.0% 100.0% 86.4% -97 dBm 100.0% 100.0% 100.0% 100.0% -81 dBm
Rockville, CT 100.0% 100.0% 68.9% 51.1% -90 dBm 100.0% 100.0% 93.3% 82.2% -107 dBm 97.8% 97.8% 95.6% 93.3% -84 dBm
Rocky Hill, CT 100.0% 100.0% 90.3% 74.6% -86 dBm 100.0% 100.0% 98.7% 69.3% -104 dBm 100.0% 100.0% 99.7% 96.2% -81 dBm
Salmon Brook, CT 100.0% 100.0% 12.8% 1.3% -98 dBm 100.0% 100.0% 97.4% 70.5% -112 dBm 97.4% 97.4% 97.4% 85.9% -87 dBm
Sherwood Manor, CT 100.0% 100.0% 49.4% 36.8% -95 dBm 100.0% 100.0% 94.3% 85.1% -107 dBm 100.0% 100.0% 100.0% 96.6% -85 dBm
Simsbury, CT 97.1% 97.1% 35.7% 19.7% -96 dBm 99.3% 99.3% 81.2% 65.2% -114 dBm 88.0% 88.0% 81.0% 51.2% -94 dBm
Simsbury Center, CT 100.0% 100.0% 56.4% 30.0% -93 dBm 100.0% 100.0% 97.3% 90.9% -109 dBm 100.0% 100.0% 100.0% 90.0% -88 dBm
Somers, CT 100.0% 100.0% 52.5% 27.1% -93 dBm 83.1% 83.1% 52.5% 39.0% -115 dBm 98.3% 98.3% 93.2% 64.4% -93 dBm
South Coventry, CT 98.7% 98.7% 58.2% 39.2% -95 dBm 100.0% 100.0% 59.5% 36.7% -112 dBm 98.7% 98.7% 97.5% 86.1% -86 dBm
South Glastonbury, CT 99.7% 99.7% 43.3% 26.6% -94 dBm 99.7% 99.7% 80.7% 64.6% -114 dBm 98.6% 98.6% 92.9% 74.2% -90 dBm
South Windsor, CT 100.0% 100.0% 60.4% 34.9% -94 dBm 100.0% 100.0% 88.4% 65.6% -112 dBm 98.7% 98.7% 96.6% 77.9% -89 dBm

About The Coverage Data

Coverage and signal estimates are derived by Compare Wireless Carriers from carrier-reported data in the FCC’s National Broadband Coverage Map, last updated in June 2025. “Percent covered” shows how much of the city or ZIP code area has a carrier signal, whether weak or strong. Signal bars show the estimated average signal strength in areas of Capitol County, CT where that carrier has coverage.

If a carrier says you should have service but you do not, run a challenge test with the FCC Mobile Speed Test App. The FCC uses those results to check carrier-submitted coverage data and requires a carrier response when enough tests show a pattern of inaccurate coverage reporting.