Sumner County, TN Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Sumner County, TN

Coverage rankings for Sumner County, TN

T-Mobile currently ranks first for coverage in this area, with a coverage score of 79.7. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.

RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1T-Mobile79.783.6%83.6%73.7%54.4% -91 dBm
2AT&T74.991.3%91.2%67.7%46.3% -111 dBm
3Verizon74.196.9%96.9%48.1%31.3% -96 dBm

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

Cell phone coverage map for Sumner County, TN

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.

Loading coverage map...

Cell phone coverage by network in Sumner County, TN

#1

T-Mobile

Coverage Score 79.7
In Sumner County, TN
Overall
83.6%
4G LTE
83.6%
5G
73.7%
Fast 5G
54.4%
Average Signal -91 dBm
#2

AT&T

Coverage Score 74.9
In Sumner County, TN
Overall
91.3%
4G LTE
91.2%
5G
67.7%
Fast 5G
46.3%
Average Signal -111 dBm
#3

Verizon

Coverage Score 74.1
In Sumner County, TN
Overall
96.9%
4G LTE
96.9%
5G
48.1%
Fast 5G
31.3%
Average Signal -96 dBm
Sponsored US Mobile

Coverage varies by neighborhood. Your carrier shouldn’t.

US Mobile lets you switch between all three major networks, so you can choose the one that works best where you actually use your phone.

Choose your network
Dark Star Light Speed Warp 5G
Unlimited plans from
$22.50/mo
Phone + home internet bundle from
$47/mo
Shop US Mobile

Pricing, network access, switching terms, and home internet availability may vary.

Coverage by city in Sumner County, TN

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

CityVerizonAT&TT-Mobile
Bethpage, TN 100.0% 100.0% 100.0% 97.1% -88 dBm 82.9% 82.9% 71.4% 60.0% -112 dBm 100.0% 100.0% 97.1% 82.9% -89 dBm
Bransford, TN 98.1% 98.1% 35.9% 25.2% -97 dBm 64.1% 64.1% 19.4% 15.5% -116 dBm 95.1% 95.1% 93.2% 76.7% -86 dBm
Castalian Springs, TN 100.0% 100.0% 80.1% 57.6% -92 dBm 100.0% 100.0% 61.6% 22.5% -112 dBm 100.0% 100.0% 100.0% 96.0% -84 dBm
Cottontown, TN 100.0% 100.0% 33.0% 6.8% -98 dBm 98.9% 98.9% 90.9% 76.1% -105 dBm 96.6% 96.6% 83.0% 52.3% -95 dBm
Fairfield, TN 100.0% 100.0% 18.5% 0.0% -103 dBm 100.0% 100.0% 81.5% 74.1% -112 dBm 33.3% 33.3% 18.5% 3.7% -103 dBm
Gallatin, TN 100.0% 100.0% 86.7% 67.5% -88 dBm 100.0% 100.0% 98.2% 67.2% -105 dBm 100.0% 100.0% 99.6% 91.9% -85 dBm
Goodlettsville, TN 100.0% 100.0% 73.1% 53.3% -92 dBm 98.4% 98.4% 90.1% 63.5% -106 dBm 97.3% 97.3% 93.7% 80.5% -85 dBm
Graball, TN 88.0% 88.0% 6.0% 2.0% -104 dBm 82.0% 82.0% 46.0% 16.0% -119 dBm 84.0% 84.0% 40.0% 6.0% -105 dBm
Hendersonville, TN 100.0% 100.0% 87.3% 66.4% -89 dBm 100.0% 100.0% 99.5% 70.4% -102 dBm 99.9% 99.9% 99.6% 97.2% -84 dBm
Millersville, TN 100.0% 100.0% 58.6% 34.4% -94 dBm 98.0% 98.0% 79.4% 57.7% -112 dBm 99.4% 99.4% 96.6% 84.5% -89 dBm
Mitchellville, TN 100.0% 100.0% 84.6% 23.1% -97 dBm 100.0% 100.0% 84.6% 84.6% -118 dBm 100.0% 100.0% 100.0% 100.0% -85 dBm
New Deal, TN 100.0% 100.0% 2.0% 0.0% -96 dBm 100.0% 100.0% 100.0% 79.6% -98 dBm 100.0% 100.0% 85.7% 51.0% -97 dBm
Oak Grove, TN 100.0% 100.0% 100.0% 94.3% -84 dBm 100.0% 100.0% 97.1% 85.7% -101 dBm 100.0% 100.0% 100.0% 100.0% -77 dBm
Portland, TN 100.0% 100.0% 85.4% 67.2% -88 dBm 99.5% 99.5% 90.4% 82.3% -105 dBm 99.0% 99.0% 98.2% 94.8% -81 dBm
Shackle Island, TN 100.0% 100.0% 65.5% 40.3% -94 dBm 100.0% 100.0% 93.5% 79.9% -106 dBm 98.6% 98.6% 96.4% 79.9% -90 dBm
Walnut Grove, TN 100.0% 100.0% 20.0% 3.2% -97 dBm 100.0% 100.0% 92.8% 42.4% -115 dBm 95.2% 95.2% 83.2% 45.6% -95 dBm
Westmoreland, TN 100.0% 100.0% 4.2% 0.0% -86 dBm 99.2% 99.2% 1.7% 1.7% -102 dBm 96.6% 96.6% 93.2% 78.8% -84 dBm
Cross Plains, TN 100.0% 100.0% 74.8% 56.0% -91 dBm 99.1% 99.1% 94.5% 68.8% -109 dBm 100.0% 100.0% 100.0% 97.2% -83 dBm
Hartsville/Trousdale County, TN 85.5% 85.5% 26.0% 14.4% -96 dBm 83.4% 83.4% 1.9% 1.1% -109 dBm 63.3% 63.3% 50.3% 33.9% -95 dBm
Nashville, TN 99.2% 99.2% 70.2% 52.9% -91 dBm 95.9% 95.8% 84.7% 56.6% -105 dBm 94.3% 94.3% 88.9% 77.3% -85 dBm
Orlinda, TN 100.0% 100.0% 87.2% 75.6% -87 dBm 97.6% 97.6% 67.7% 18.9% -118 dBm 98.8% 98.8% 97.0% 82.3% -87 dBm
Ridgetop, TN 100.0% 100.0% 69.4% 43.1% -93 dBm 100.0% 100.0% 98.6% 66.7% -109 dBm 100.0% 100.0% 100.0% 98.6% -88 dBm
White House, TN 100.0% 100.0% 67.9% 50.2% -91 dBm 100.0% 100.0% 97.3% 77.9% -105 dBm 100.0% 100.0% 99.3% 97.3% -81 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 Sumner County, TN 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.