Siskiyou County, CA Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Siskiyou County, CA

Coverage rankings for Siskiyou County, CA

T-Mobile currently ranks first for coverage in this area, with a coverage score of 40.3. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.

RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1T-Mobile40.334.6%34.0%29.4%21.6% -93 dBm
2Verizon36.650.0%50.0%7.2%4.6% -97 dBm
3AT&T26.839.1%39.1%9.4%3.8% -115 dBm

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

Cell phone coverage map for Siskiyou County, CA

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 Siskiyou County, CA

#1

T-Mobile

Coverage Score 40.3
In Siskiyou County, CA
Overall
34.6%
4G LTE
34.0%
5G
29.4%
Fast 5G
21.6%
Average Signal -93 dBm
#2

Verizon

Coverage Score 36.6
In Siskiyou County, CA
Overall
50.0%
4G LTE
50.0%
5G
7.2%
Fast 5G
4.6%
Average Signal -97 dBm
#3

AT&T

Coverage Score 26.8
In Siskiyou County, CA
Overall
39.1%
4G LTE
39.1%
5G
9.4%
Fast 5G
3.8%
Average Signal -115 dBm
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Coverage by city in Siskiyou County, CA

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

CityVerizonAT&TT-Mobile
Callahan, CA 44.3% 44.2% 0.3% 0.0% -100 dBm 6.0% 6.0% 0.0% 0.0% -117 dBm 19.2% 14.6% 16.7% 10.3% -96 dBm
Carrick, CA 100.0% 100.0% 100.0% 100.0% -90 dBm 100.0% 100.0% 100.0% 0.0% -120 dBm 100.0% 100.0% 100.0% 100.0% -85 dBm
Dorris, CA 100.0% 100.0% 0.0% 0.0% -70 dBm 100.0% 100.0% 100.0% 12.5% -110 dBm 100.0% 100.0% 100.0% 100.0% -71 dBm
Dunsmuir, CA 100.0% 100.0% 0.0% 0.0% -96 dBm 100.0% 100.0% 41.0% 41.0% -111 dBm 100.0% 100.0% 97.4% 82.1% -86 dBm
Edgewood, CA 100.0% 100.0% 78.3% 52.2% -95 dBm 100.0% 100.0% 69.6% 4.3% -116 dBm 100.0% 100.0% 100.0% 91.3% -78 dBm
Etna, CA 100.0% 100.0% 0.0% 0.0% -83 dBm 95.0% 95.0% 35.0% 0.0% -115 dBm 95.0% 95.0% 85.0% 80.0% -93 dBm
Forks Of Salmon, CA 0.1% 0.1% 0.0% 0.0% -109 dBm N/A N/A N/A N/A N/A 0.3% 0.3% 0.2% 0.0% -101 dBm
Fort Jones, CA 100.0% 100.0% 0.0% 0.0% -78 dBm 100.0% 100.0% 100.0% 0.0% -113 dBm 100.0% 100.0% 100.0% 100.0% -72 dBm
Gazelle, CA 100.0% 100.0% 100.0% 100.0% -90 dBm 100.0% 100.0% 100.0% 0.0% -120 dBm 100.0% 100.0% 100.0% 100.0% -87 dBm
Greenview, CA 100.0% 100.0% 0.0% 0.0% -86 dBm 100.0% 100.0% 63.9% 0.0% -118 dBm 97.2% 97.2% 94.4% 80.6% -87 dBm
Grenada, CA 100.0% 100.0% 100.0% 100.0% -90 dBm 100.0% 100.0% 33.3% 0.0% -113 dBm 100.0% 100.0% 100.0% 100.0% -58 dBm
Happy Camp, CA 84.5% 84.5% 0.0% 0.0% -99 dBm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Hornbrook, CA 100.0% 100.0% 92.9% 78.6% -81 dBm 100.0% 100.0% 100.0% 39.3% -111 dBm 100.0% 100.0% 100.0% 100.0% -71 dBm
Klamath River, CA 13.7% 13.6% 0.2% 0.0% -104 dBm 4.4% 4.4% 0.1% 0.0% -116 dBm 2.1% 2.1% 1.5% 0.7% -99 dBm
Lake Shastina, CA 100.0% 100.0% 34.3% 28.4% -92 dBm 100.0% 100.0% 16.7% 3.9% -111 dBm 100.0% 100.0% 100.0% 87.3% -92 dBm
Macdoel, CA 100.0% 100.0% 0.0% 0.0% -105 dBm 100.0% 100.0% 0.0% 0.0% -118 dBm 100.0% 100.0% 50.0% 0.0% -105 dBm
Mccloud, CA 100.0% 100.0% 0.0% 0.0% -80 dBm 100.0% 100.0% 93.3% 63.3% -110 dBm 100.0% 100.0% 100.0% 98.3% -79 dBm
Montague, CA 100.0% 100.0% 100.0% 95.6% -91 dBm 100.0% 100.0% 100.0% 57.8% -97 dBm 100.0% 100.0% 100.0% 100.0% -89 dBm
Mount Hebron, CA 100.0% 100.0% 0.0% 0.0% -108 dBm 100.0% 100.0% 0.0% 0.0% -120 dBm 100.0% 100.0% 31.6% 0.0% -101 dBm
Mount Shasta, CA 100.0% 100.0% 0.0% 0.0% -85 dBm 100.0% 100.0% 98.9% 20.0% -111 dBm 100.0% 100.0% 100.0% 94.7% -83 dBm
Scott Bar, CA 17.7% 17.7% 0.0% 0.0% -107 dBm 6.7% 6.7% 0.0% 0.0% -120 dBm 6.4% 6.4% 4.0% 3.0% -98 dBm
Seiad Valley, CA 31.7% 31.7% 0.0% 0.0% -102 dBm 2.5% 2.5% 1.4% 0.2% -119 dBm 0.7% 0.6% 0.6% 0.4% -94 dBm
Somes Bar, CA 2.0% 2.0% 0.0% 0.0% -105 dBm 3.0% 3.0% 0.0% 0.0% -120 dBm 0.3% 0.3% 0.0% 0.0% -109 dBm
Tennant, CA N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Tulelake, CA 100.0% 100.0% 81.8% 27.3% -98 dBm 100.0% 100.0% 45.5% 45.5% -95 dBm 100.0% 100.0% 100.0% 100.0% -65 dBm
Weed, CA 100.0% 100.0% 82.1% 64.2% -90 dBm 100.0% 100.0% 99.2% 37.4% -109 dBm 100.0% 100.0% 100.0% 95.1% -77 dBm
Yreka, CA 100.0% 100.0% 88.2% 82.3% -85 dBm 100.0% 100.0% 98.8% 17.7% -107 dBm 100.0% 100.0% 100.0% 99.2% -73 dBm
Castella, CA 81.5% 81.5% 0.0% 0.0% -92 dBm 92.6% 92.6% 74.1% 40.7% -115 dBm 63.0% 63.0% 59.3% 37.0% -92 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 Siskiyou County, CA 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.