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

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

Coverage rankings for Marion County, TN

AT&T currently ranks first for coverage in this area, with a coverage score of 56.8. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.

RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1AT&T56.877.5%77.5%34.8%27.7% -114 dBm
2Verizon55.389.2%89.2%12.2%6.5% -99 dBm
3T-Mobile54.151.7%51.6%47.3%30.7% -93 dBm

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

Cell phone coverage map for Marion 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.

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Cell phone coverage by network in Marion County, TN

#1

AT&T

Coverage Score 56.8
In Marion County, TN
Overall
77.5%
4G LTE
77.5%
5G
34.8%
Fast 5G
27.7%
Average Signal -114 dBm
#2

Verizon

Coverage Score 55.3
In Marion County, TN
Overall
89.2%
4G LTE
89.2%
5G
12.2%
Fast 5G
6.5%
Average Signal -99 dBm
#3

T-Mobile

Coverage Score 54.1
In Marion County, TN
Overall
51.7%
4G LTE
51.6%
5G
47.3%
Fast 5G
30.7%
Average Signal -93 dBm
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Coverage by city in Marion County, TN

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

CityVerizonAT&TT-Mobile
Griffith Creek, TN 87.0% 87.0% 0.0% 0.0% -104 dBm 94.8% 94.8% 0.0% 0.0% -101 dBm 87.0% 87.0% 85.7% 77.9% -83 dBm
Guild, TN 99.1% 99.1% 10.5% 5.0% -102 dBm 65.9% 65.9% 30.0% 20.9% -117 dBm 62.7% 62.7% 55.0% 29.1% -95 dBm
Jasper, TN 100.0% 100.0% 70.1% 49.2% -91 dBm 97.6% 97.6% 86.2% 78.7% -108 dBm 97.6% 97.6% 97.6% 87.8% -85 dBm
Kimball, TN 100.0% 100.0% 73.4% 54.0% -93 dBm 98.6% 98.6% 92.1% 79.1% -110 dBm 100.0% 100.0% 99.3% 92.1% -84 dBm
New Hope, TN 100.0% 100.0% 23.1% 7.5% -101 dBm 94.0% 94.0% 80.2% 60.8% -113 dBm 56.0% 56.0% 45.5% 19.0% -98 dBm
Orme, TN 80.6% 80.6% 0.0% 0.0% -106 dBm 26.9% 26.9% 7.4% 6.5% -120 dBm 0.9% 0.9% 0.0% 0.0% -110 dBm
Powells Crossroads, TN 100.0% 100.0% 0.0% 0.0% -91 dBm 93.7% 93.7% 83.3% 73.8% -117 dBm 86.5% 86.5% 81.0% 38.9% -96 dBm
Sequatchie, TN 100.0% 100.0% 74.1% 70.4% -92 dBm 63.0% 63.0% 7.4% 3.7% -119 dBm 100.0% 100.0% 100.0% 92.6% -83 dBm
South Pittsburg, TN 94.8% 94.8% 25.7% 11.4% -100 dBm 92.4% 92.4% 72.4% 57.6% -117 dBm 71.4% 71.4% 66.2% 37.1% -95 dBm
Whiteside, TN 98.0% 98.0% 55.0% 32.0% -95 dBm 92.0% 92.0% 69.0% 65.0% -112 dBm 95.0% 95.0% 90.0% 79.0% -86 dBm
Whitwell, TN 100.0% 100.0% 0.0% 0.0% -83 dBm 98.9% 98.9% 94.4% 80.0% -105 dBm 100.0% 100.0% 100.0% 94.4% -80 dBm
Chattanooga, TN 100.0% 100.0% 69.2% 48.6% -90 dBm 98.9% 98.8% 94.1% 55.0% -104 dBm 97.3% 97.2% 95.9% 84.0% -85 dBm
Lone Oak, TN 100.0% 100.0% 3.7% 0.0% -99 dBm 75.0% 75.0% 45.7% 36.6% -116 dBm 92.1% 92.1% 87.8% 58.5% -93 dBm
Monteagle, TN 100.0% 100.0% 23.5% 13.2% -93 dBm 100.0% 100.0% 9.4% 6.4% -100 dBm 82.9% 82.9% 68.8% 42.7% -93 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 Marion 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.