Liberty County, MT Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Liberty County, MT

Coverage rankings for Liberty County, MT

T-Mobile currently ranks first for coverage in this area, with a coverage score of 60.2. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.

RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1T-Mobile60.261.4%61.4%49.6%36.1% -94 dBm
2Verizon53.482.1%82.0%11.9%7.1% -95 dBm
3AT&T42.063.6%63.6%15.0%12.7% -115 dBm

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

Cell phone coverage map for Liberty County, MT

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 Liberty County, MT

#1

T-Mobile

Coverage Score 60.2
In Liberty County, MT
Overall
61.4%
4G LTE
61.4%
5G
49.6%
Fast 5G
36.1%
Average Signal -94 dBm
#2

Verizon

Coverage Score 53.4
In Liberty County, MT
Overall
82.1%
4G LTE
82.0%
5G
11.9%
Fast 5G
7.1%
Average Signal -95 dBm
#3

AT&T

Coverage Score 42.0
In Liberty County, MT
Overall
63.6%
4G LTE
63.6%
5G
15.0%
Fast 5G
12.7%
Average Signal -115 dBm
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Coverage by city in Liberty County, MT

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

CityVerizonAT&TT-Mobile
Chester, MT 100.0% 100.0% 0.0% 0.0% -68 dBm 100.0% 100.0% 0.0% 0.0% -93 dBm 100.0% 100.0% 100.0% 100.0% -80 dBm
Eagle Creek Colony, MT 100.0% 100.0% 87.5% 0.0% -100 dBm 100.0% 100.0% 100.0% 0.0% -110 dBm N/A N/A N/A N/A N/A
Galata, MT 78.4% 78.2% 47.5% 27.4% -97 dBm 91.4% 91.4% 77.6% 63.1% -113 dBm 54.6% 54.6% 45.1% 31.9% -93 dBm
Joplin, MT 100.0% 100.0% 0.0% 0.0% -92 dBm 96.6% 96.6% 0.0% 0.0% -113 dBm N/A N/A N/A N/A N/A
Lothair, MT 100.0% 100.0% 79.7% 74.9% -87 dBm 93.1% 93.1% 42.0% 37.5% -115 dBm 78.7% 78.7% 61.4% 50.2% -94 dBm
Riverview Colony, MT 90.9% 90.9% 4.5% 0.0% -101 dBm 50.0% 50.0% 0.0% 0.0% -120 dBm 54.5% 54.5% 36.4% 0.0% -101 dBm
Sage Creek Colony, MT 83.3% 83.3% 0.0% 0.0% -96 dBm N/A N/A N/A N/A N/A 33.3% 33.3% 33.3% 33.3% -90 dBm
Whitlash, MT 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
Inverness, MT 96.8% 96.8% 0.0% 0.0% -94 dBm 100.0% 100.0% 0.0% 0.0% -109 dBm 63.2% 63.2% 21.1% 15.8% -102 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 Liberty County, MT 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.