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

Don’t overpay for a network that struggles where you actually use your phone.

Using FCC mobile coverage data across Clairfield, TN zip codes, this guide compares the top-performing networks and the cheapest plans that use them.



Cell phone coverage map for Clairfield, 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, © OpenMapTiles. Basemap by OpenFreeMap. Rendered with MapLibre. FCC BDC mobile coverage processed by CompareWirelessCarriers.

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Cell phone coverage rankings by network in Clairfield, TN

#1

T-Mobile

Coverage Score 38.6
In Clairfield, TN
Overall
24.1%
4G LTE
21.3% avg. -95 dBm 4G LTE signal where 4G LTE coverage exists: avg. -95 dBm
5G
22.3% avg. -90 dBm 5G signal where 5G coverage exists: avg. -90 dBm
Fast 5G
14.2% avg. -84 dBm Fast 5G signal where Fast 5G coverage exists: avg. -84 dBm
Claiborne County, TN covered 55.9%
#2

Verizon

Coverage Score 16.7
In Clairfield, TN
Overall
10.4%
4G LTE
5.9% avg. -110 dBm 4G LTE signal where 4G LTE coverage exists: avg. -110 dBm
5G
8.0% avg. -109 dBm 5G signal where 5G coverage exists: avg. -109 dBm
Fast 5G
4.1% avg. -106 dBm Fast 5G signal where Fast 5G coverage exists: avg. -106 dBm
Claiborne County, TN covered 76.7%
#3

AT&T

Coverage Score 16.2
In Clairfield, TN
Overall
28.8%
4G LTE
28.8% avg. -110 dBm 4G LTE signal where 4G LTE coverage exists: avg. -110 dBm
5G
0.0%
Fast 5G
0.0%
Claiborne County, TN covered 63.3%

County coverage is shown for surrounding-area context and uses land-area only coverage.

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Coverage by ZIP code in Clairfield, TN

ZIP code areas can extend beyond city limits, so this table is best used for local comparison around the city.

ZIP CodeAT&TT-MobileVerizon
37715 28.8% 28.8% 0.0% 0.0% 24.1% 21.3% 22.3% 14.2% 10.4% 5.9% 8.0% 4.1%

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 2026. “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 Clairfield, 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.