Umatilla County, OR Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Umatilla County, OR

Coverage rankings for Umatilla County, OR

T-Mobile currently ranks first for coverage in this area, with a coverage score of 57.6. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.

RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1T-Mobile57.654.6%54.6%46.8%36.9% -91 dBm
2Verizon46.267.5%67.5%12.9%7.3% -98 dBm
3AT&T41.065.1%65.1%12.0%6.6% -111 dBm

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

Cell phone coverage map for Umatilla County, OR

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 Umatilla County, OR

#1

T-Mobile

Coverage Score 57.6
In Umatilla County, OR
Overall
54.6%
4G LTE
54.6%
5G
46.8%
Fast 5G
36.9%
Average Signal -91 dBm
#2

Verizon

Coverage Score 46.2
In Umatilla County, OR
Overall
67.5%
4G LTE
67.5%
5G
12.9%
Fast 5G
7.3%
Average Signal -98 dBm
#3

AT&T

Coverage Score 41.0
In Umatilla County, OR
Overall
65.1%
4G LTE
65.1%
5G
12.0%
Fast 5G
6.6%
Average Signal -111 dBm
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Coverage by city in Umatilla County, OR

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

CityVerizonAT&TT-Mobile
Adams, OR 100.0% 100.0% 100.0% 100.0% -69 dBm 100.0% 100.0% 0.0% 0.0% -110 dBm 100.0% 100.0% 100.0% 62.5% -94 dBm
Athena, OR 100.0% 100.0% 0.0% 0.0% -90 dBm 100.0% 100.0% 0.0% 0.0% -101 dBm 100.0% 100.0% 100.0% 100.0% -88 dBm
Cayuse, OR 100.0% 100.0% 0.0% 0.0% -95 dBm 97.4% 97.4% 15.4% 1.3% -115 dBm 100.0% 100.0% 92.3% 70.5% -94 dBm
Echo, OR 100.0% 100.0% 31.8% 0.0% -92 dBm 95.5% 95.5% 27.3% 22.7% -114 dBm 100.0% 100.0% 100.0% 100.0% -85 dBm
Gopher Flats, OR 100.0% 100.0% 25.9% 20.4% -81 dBm 100.0% 100.0% 64.8% 53.7% -113 dBm 100.0% 100.0% 96.3% 85.2% -90 dBm
Green Meadows, OR 100.0% 100.0% 33.3% 30.0% -96 dBm 100.0% 100.0% 36.7% 23.3% -112 dBm 100.0% 100.0% 100.0% 70.0% -91 dBm
Helix, OR 100.0% 100.0% 0.0% 0.0% -100 dBm 100.0% 100.0% 0.0% 0.0% -120 dBm 100.0% 100.0% 50.0% 25.0% -100 dBm
Hermiston, OR 100.0% 100.0% 99.1% 93.0% -84 dBm 100.0% 100.0% 100.0% 64.8% -103 dBm 100.0% 100.0% 100.0% 100.0% -77 dBm
Kirkpatrick, OR 100.0% 100.0% 38.3% 0.0% -95 dBm 100.0% 100.0% 63.8% 23.4% -112 dBm 100.0% 100.0% 100.0% 85.1% -92 dBm
McKay, OR 47.8% 47.8% 0.0% 0.0% -102 dBm 65.8% 65.8% 0.0% 0.0% -112 dBm 60.9% 60.9% 44.7% 28.7% -95 dBm
Meacham, OR 100.0% 100.0% 0.0% 0.0% -95 dBm 100.0% 100.0% 0.0% 0.0% -109 dBm 100.0% 100.0% 100.0% 93.7% -88 dBm
Milton Freewater, OR 100.0% 100.0% 88.7% 79.2% -83 dBm 100.0% 100.0% 0.0% 0.0% -90 dBm 100.0% 100.0% 100.0% 100.0% -85 dBm
Mission, OR 100.0% 100.0% 36.4% 3.1% -93 dBm 100.0% 100.0% 64.1% 34.9% -113 dBm 100.0% 100.0% 100.0% 95.9% -90 dBm
Pendleton, OR 100.0% 100.0% 72.2% 65.8% -83 dBm 100.0% 100.0% 78.6% 61.0% -101 dBm 100.0% 100.0% 100.0% 100.0% -73 dBm
Pilot Rock, OR 100.0% 100.0% 0.0% 0.0% -76 dBm 100.0% 100.0% 0.0% 0.0% -88 dBm 100.0% 100.0% 100.0% 100.0% -71 dBm
Riverside, OR 100.0% 100.0% 35.7% 28.6% -80 dBm 100.0% 100.0% 92.9% 85.7% -110 dBm 100.0% 100.0% 100.0% 100.0% -89 dBm
Stanfield, OR 100.0% 100.0% 50.0% 26.1% -90 dBm 100.0% 100.0% 41.3% 17.4% -109 dBm 100.0% 100.0% 100.0% 97.8% -87 dBm
Tutuilla, OR 100.0% 100.0% 49.4% 11.0% -94 dBm 100.0% 100.0% 70.2% 38.7% -113 dBm 99.8% 99.8% 99.8% 99.8% -85 dBm
Ukiah, OR 100.0% 100.0% 100.0% 100.0% -78 dBm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Umapine, OR 100.0% 100.0% 86.9% 9.5% -99 dBm 97.6% 97.6% 0.0% 0.0% -105 dBm 100.0% 100.0% 92.9% 61.9% -94 dBm
Umatilla, OR 100.0% 100.0% 100.0% 96.3% -80 dBm 100.0% 100.0% 42.2% 38.5% -104 dBm 100.0% 100.0% 100.0% 100.0% -79 dBm
Weston, OR 100.0% 100.0% 0.0% 0.0% -84 dBm 100.0% 100.0% 0.0% 0.0% -98 dBm 100.0% 100.0% 100.0% 100.0% -79 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 Umatilla County, OR 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.