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 86.9. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.

RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1T-Mobile86.993.5%93.5%86.1%65.3% -90 dBm
2Verizon74.598.6%98.6%49.1%31.1% -94 dBm
3AT&T71.097.4%97.3%69.8%49.7% -112 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 86.9
In Capitol County, CT
Overall
93.5%
4G LTE
93.5%
5G
86.1%
Fast 5G
65.3%
Average Signal -90 dBm
#2

Verizon

Coverage Score 74.5
In Capitol County, CT
Overall
98.6%
4G LTE
98.6%
5G
49.1%
Fast 5G
31.1%
Average Signal -94 dBm
#3

AT&T

Coverage Score 71.0
In Capitol County, CT
Overall
97.4%
4G LTE
97.3%
5G
69.8%
Fast 5G
49.7%
Average Signal -112 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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Andover, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Avon, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Berlin, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Bloomfield, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Canton Center, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Coventry, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
East Granby, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Enfield, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Farmington, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Glastonbury, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Marlborough, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Milldale, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
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 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
South Windsor, CT N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A

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.