Blackford County, IN Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Blackford County, IN

Coverage rankings for Blackford County, IN

AT&T currently ranks first for coverage in this area, with a coverage score of 85.8. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.

RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1AT&T85.8100.0%100.0%97.6%64.1% -113 dBm
2T-Mobile79.789.3%89.3%75.3%46.2% -94 dBm
3Verizon77.1100.0%100.0%60.1%31.3% -97 dBm

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

Cell phone coverage map for Blackford County, IN

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 Blackford County, IN

#1

AT&T

Coverage Score 85.8
In Blackford County, IN
Overall
100.0%
4G LTE
100.0%
5G
97.6%
Fast 5G
64.1%
Average Signal -113 dBm
#2

T-Mobile

Coverage Score 79.7
In Blackford County, IN
Overall
89.3%
4G LTE
89.3%
5G
75.3%
Fast 5G
46.2%
Average Signal -94 dBm
#3

Verizon

Coverage Score 77.1
In Blackford County, IN
Overall
100.0%
4G LTE
100.0%
5G
60.1%
Fast 5G
31.3%
Average Signal -97 dBm
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Coverage by city in Blackford County, IN

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

CityVerizonAT&TT-Mobile
Hartford City, IN 100.0% 100.0% 98.9% 91.6% -82 dBm 100.0% 100.0% 100.0% 92.6% -94 dBm 100.0% 100.0% 100.0% 100.0% -73 dBm
Millgrove, IN 100.0% 100.0% 16.7% 0.0% -100 dBm 100.0% 100.0% 100.0% 50.0% -120 dBm 100.0% 100.0% 33.3% 0.0% -105 dBm
Montpelier, IN 100.0% 100.0% 100.0% 100.0% -78 dBm 100.0% 100.0% 100.0% 62.9% -92 dBm 100.0% 100.0% 100.0% 100.0% -69 dBm
Roll, IN 100.0% 100.0% 23.8% 0.0% -102 dBm 100.0% 100.0% 90.5% 52.4% -118 dBm 71.4% 71.4% 42.9% 9.5% -103 dBm
Shamrock Lakes, IN 100.0% 100.0% 37.5% 25.0% -103 dBm 100.0% 100.0% 100.0% 100.0% -106 dBm N/A N/A N/A N/A N/A
Dunkirk, IN 100.0% 100.0% 96.8% 93.5% -83 dBm 100.0% 100.0% 96.8% 9.7% -119 dBm 100.0% 100.0% 96.8% 32.3% -97 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 Blackford County, IN 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.