Carrierlytics County Coverage Guide

Upshur County, TX Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Upshur County, TX.

Using FCC mobile coverage data across cities and ZIP codes in Upshur County, TX, Carrierlytics compares the top-performing networks and the cheapest plans that use them.

Upshur County, TX

Cell phone coverage map for Upshur County, TX

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 Carrierlytics.

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Cell phone coverage rankings by network in Upshur County, TX

#1

Verizon

Coverage Score 70.1
In Upshur County, TX
Overall
99.9%
4G LTE
99.9% avg. -91 dBm 4G LTE signal where 4G LTE coverage exists: avg. -91 dBm
5G
40.2% avg. -95 dBm 5G signal where 5G coverage exists: avg. -95 dBm
Fast 5G
23.4% avg. -91 dBm Fast 5G signal where Fast 5G coverage exists: avg. -91 dBm
#2

T-Mobile

Coverage Score 62.8
In Upshur County, TX
Overall
65.7%
4G LTE
65.7% avg. -97 dBm 4G LTE signal where 4G LTE coverage exists: avg. -97 dBm
5G
55.4% avg. -92 dBm 5G signal where 5G coverage exists: avg. -92 dBm
Fast 5G
33.2% avg. -86 dBm Fast 5G signal where Fast 5G coverage exists: avg. -86 dBm
#3

AT&T

Coverage Score 60.7
In Upshur County, TX
Overall
92.8%
4G LTE
92.8% avg. -110 dBm 4G LTE signal where 4G LTE coverage exists: avg. -110 dBm
5G
59.0% avg. -113 dBm 5G signal where 5G coverage exists: avg. -113 dBm
Fast 5G
34.7% avg. -110 dBm Fast 5G signal where Fast 5G coverage exists: avg. -110 dBm
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Coverage by city in Upshur County, TX

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

City Verizon AT&T T-Mobile
Big Sandy, TX 100.0% 100.0% 100.0% 85.3% 100.0% 100.0% 100.0% 70.6% 100.0% 100.0% 100.0% 100.0%
Diana, TX 99.8% 99.8% 17.8% 9.6% 93.1% 93.1% 41.4% 22.1% 41.1% 41.1% 29.1% 14.3%
East Mountain, TX 100.0% 100.0% 63.3% 38.8% 100.0% 100.0% 95.9% 42.9% 100.0% 100.0% 100.0% 93.9%
Gilmer, TX 100.0% 100.0% 81.4% 58.1% 100.0% 100.0% 97.7% 75.6% 100.0% 100.0% 98.8% 93.0%
Ore City, TX 100.0% 100.0% 77.6% 38.8% 100.0% 100.0% 100.0% 63.3% 100.0% 100.0% 100.0% 98.0%
Union Grove, TX 100.0% 100.0% 85.7% 71.4% 100.0% 100.0% 100.0% 81.0% 100.0% 100.0% 100.0% 81.0%
Clarksville City, TX 100.0% 100.0% 89.4% 70.2% 100.0% 100.0% 97.9% 71.6% 99.3% 99.3% 92.9% 44.0%
Gladewater, TX 100.0% 100.0% 53.7% 30.1% 100.0% 100.0% 99.6% 74.1% 99.6% 99.6% 97.7% 86.1%
Longview, TX 100.0% 100.0% 92.5% 74.3% 100.0% 99.8% 99.4% 73.7% 100.0% 100.0% 99.8% 95.7%
Warren City, TX 100.0% 100.0% 87.5% 72.5% 100.0% 100.0% 100.0% 85.0% 97.5% 97.5% 72.5% 25.0%

About The Coverage Data

Coverage and signal estimates are derived by Carrierlytics 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 Upshur County, TX 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.