Asotin County, WA Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Asotin County, WA

Cell phone coverage map for Asotin County, WA

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 Asotin County, WA

#1

T-Mobile

Coverage Score 48.9
In Asotin County, WA
Overall
42.8%
4G LTE
42.8% avg. -97 dBm 4G LTE signal where 4G LTE coverage exists: avg. -97 dBm
5G
36.4% avg. -93 dBm 5G signal where 5G coverage exists: avg. -93 dBm
Fast 5G
23.9% avg. -90 dBm Fast 5G signal where Fast 5G coverage exists: avg. -90 dBm
#2

Verizon

Coverage Score 40.0
In Asotin County, WA
Overall
50.5%
4G LTE
50.5% avg. -98 dBm 4G LTE signal where 4G LTE coverage exists: avg. -98 dBm
5G
9.0% avg. -95 dBm 5G signal where 5G coverage exists: avg. -95 dBm
Fast 5G
3.5% avg. -87 dBm Fast 5G signal where Fast 5G coverage exists: avg. -87 dBm
#3

AT&T

Coverage Score 28.7
In Asotin County, WA
Overall
41.2%
4G LTE
40.9% avg. -114 dBm 4G LTE signal where 4G LTE coverage exists: avg. -114 dBm
5G
26.4% avg. -116 dBm 5G signal where 5G coverage exists: avg. -116 dBm
Fast 5G
11.7% avg. -114 dBm Fast 5G signal where Fast 5G coverage exists: avg. -114 dBm
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Coverage by city in Asotin County, WA

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

CityVerizonAT&TT-Mobile
Anatone, WA 100.0% 100.0% 0.0% 0.0% 75.0% 75.0% 25.0% 0.0% 75.0% 75.0% 50.0% 0.0%
Asotin, WA 100.0% 100.0% 11.1% 7.4% 96.3% 96.3% 14.8% 11.1% 100.0% 100.0% 85.2% 70.4%
Clarkston, WA 100.0% 100.0% 100.0% 98.1% 100.0% 100.0% 100.0% 60.4% 100.0% 100.0% 100.0% 100.0%
Clarkston Heights-Vineland, WA 100.0% 100.0% 83.4% 65.9% 97.6% 97.6% 84.8% 49.3% 100.0% 100.0% 98.0% 91.6%
West Clarkston-Highland, WA 100.0% 100.0% 100.0% 94.4% 100.0% 100.0% 100.0% 70.8% 100.0% 100.0% 100.0% 100.0%

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 Asotin County, WA 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.