Franklin County, MO Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Franklin County, MO

Coverage rankings for Franklin County, MO

T-Mobile currently ranks first for coverage in this area, with a coverage score of 67.1. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.

RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1T-Mobile67.168.4%68.4%57.0%39.8% -92 dBm
2AT&T65.693.0%92.7%66.1%43.9% -113 dBm
3Verizon55.787.5%87.5%24.0%10.5% -101 dBm

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

Cell phone coverage map for Franklin County, MO

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 Franklin County, MO

#1

T-Mobile

Coverage Score 67.1
In Franklin County, MO
Overall
68.4%
4G LTE
68.4%
5G
57.0%
Fast 5G
39.8%
Average Signal -92 dBm
#2

AT&T

Coverage Score 65.6
In Franklin County, MO
Overall
93.0%
4G LTE
92.7%
5G
66.1%
Fast 5G
43.9%
Average Signal -113 dBm
#3

Verizon

Coverage Score 55.7
In Franklin County, MO
Overall
87.5%
4G LTE
87.5%
5G
24.0%
Fast 5G
10.5%
Average Signal -101 dBm
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Coverage by city in Franklin County, MO

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

CityVerizonAT&TT-Mobile
Beaufort, MO 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
Berger, MO 12.5% 12.5% 0.0% 0.0% -110 dBm 100.0% 100.0% 100.0% 100.0% -95 dBm 100.0% 100.0% 87.5% 75.0% -93 dBm
Catawissa, MO 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
Charmwood, MO 100.0% 100.0% 100.0% 66.7% -93 dBm 100.0% 100.0% 100.0% 100.0% -107 dBm 100.0% 100.0% 100.0% 100.0% -83 dBm
Gerald, MO 100.0% 100.0% 33.3% 0.0% -87 dBm 100.0% 100.0% 100.0% 94.4% -106 dBm 100.0% 100.0% 100.0% 100.0% -73 dBm
Gray Summit, MO 100.0% 100.0% 63.9% 36.6% -99 dBm 99.0% 92.8% 97.4% 73.2% -106 dBm 100.0% 100.0% 99.0% 92.8% -82 dBm
Grubville, MO 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
Labadie, MO 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
Lake St. Clair, MO 100.0% 100.0% 84.2% 21.1% -96 dBm 100.0% 100.0% 100.0% 100.0% -109 dBm 100.0% 100.0% 100.0% 100.0% -83 dBm
Leslie, MO 100.0% 100.0% 50.0% 25.0% -93 dBm 100.0% 100.0% 100.0% 100.0% -115 dBm 100.0% 100.0% 100.0% 100.0% -73 dBm
Lonedell, MO 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
Luebbering, MO 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
Miramiguoa Park, MO 60.0% 60.0% 0.0% 0.0% -110 dBm 90.0% 90.0% 80.0% 10.0% -118 dBm 20.0% 20.0% 10.0% 0.0% -105 dBm
New Haven, MO 88.2% 88.2% 0.0% 0.0% -104 dBm 100.0% 100.0% 100.0% 76.3% -101 dBm 100.0% 100.0% 100.0% 100.0% -76 dBm
Oak Grove Village, MO 100.0% 100.0% 57.1% 42.9% -89 dBm 100.0% 100.0% 100.0% 100.0% -93 dBm 100.0% 100.0% 100.0% 100.0% -71 dBm
Pacific, MO 100.0% 100.0% 96.0% 79.3% -91 dBm 100.0% 100.0% 98.9% 90.8% -100 dBm 100.0% 100.0% 100.0% 96.0% -82 dBm
Parkway, MO 100.0% 100.0% 100.0% 100.0% -74 dBm 100.0% 100.0% 100.0% 100.0% -92 dBm 100.0% 100.0% 100.0% 100.0% -90 dBm
Robertsville, MO 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
Saint Albans, MO 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
Saint Clair, MO 100.0% 100.0% 54.8% 27.4% -96 dBm 99.2% 98.4% 96.0% 76.6% -107 dBm 100.0% 100.0% 100.0% 97.6% -80 dBm
Stanton, MO 100.0% 100.0% 63.0% 33.3% -95 dBm 98.8% 98.8% 72.8% 22.2% -117 dBm 100.0% 100.0% 100.0% 98.8% -82 dBm
Sullivan, MO 99.5% 99.5% 58.4% 43.1% -93 dBm 100.0% 100.0% 99.0% 75.2% -102 dBm 98.5% 98.5% 94.1% 79.2% -86 dBm
Union, MO 100.0% 100.0% 73.2% 55.8% -93 dBm 100.0% 100.0% 99.6% 83.5% -100 dBm 100.0% 100.0% 99.6% 88.4% -83 dBm
Villa Ridge, MO 100.0% 100.0% 59.8% 32.0% -100 dBm 100.0% 100.0% 100.0% 84.4% -106 dBm 100.0% 100.0% 100.0% 100.0% -74 dBm
Washington, MO 98.0% 98.0% 53.0% 31.1% -98 dBm 100.0% 100.0% 100.0% 83.7% -100 dBm 100.0% 100.0% 100.0% 96.4% -83 dBm
LaBarque Creek, MO 100.0% 100.0% 86.0% 51.6% -98 dBm 99.8% 99.8% 86.7% 58.8% -112 dBm 59.5% 59.5% 40.2% 15.6% -100 dBm
Wildwood, MO 96.7% 96.7% 65.9% 37.2% -102 dBm 99.1% 99.1% 61.6% 45.1% -110 dBm 85.2% 85.1% 73.0% 51.1% -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 Franklin County, MO 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.