Strafford County, NH Cell Phone Coverage Map & Network Rankings (2026)

Find the best cell phone network and plan to use in Strafford County, NH

Coverage rankings for Strafford County, NH

AT&T currently ranks first for coverage in this area, with a coverage score of 74.9. Compare Wireless Carriers uses FCC broadband map data to estimate and calculate coverage scores. More on that further below.

RankCarrierScoreOverall4G LTE5GFast 5GAverage Signal
1AT&T74.995.0%95.0%63.0%46.3% -115 dBm
2T-Mobile66.972.6%72.6%56.0%38.4% -94 dBm
3Verizon60.194.2%94.2%19.0%8.7% -97 dBm

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

Cell phone coverage map for Strafford County, NH

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
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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 Strafford County, NH

#1

AT&T

Coverage Score 74.9
In Strafford County, NH
Overall
95.0%
4G LTE
95.0%
5G
63.0%
Fast 5G
46.3%
Average Signal -115 dBm
#2

T-Mobile

Coverage Score 66.9
In Strafford County, NH
Overall
72.6%
4G LTE
72.6%
5G
56.0%
Fast 5G
38.4%
Average Signal -94 dBm
#3

Verizon

Coverage Score 60.1
In Strafford County, NH
Overall
94.2%
4G LTE
94.2%
5G
19.0%
Fast 5G
8.7%
Average Signal -97 dBm
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Coverage by city in Strafford County, NH

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

CityVerizonAT&TT-Mobile
Barrington, NH 99.0% 99.0% 22.8% 12.2% -96 dBm 97.1% 97.1% 66.9% 44.0% -113 dBm 78.4% 78.4% 61.6% 39.3% -94 dBm
Dover, NH 100.0% 100.0% 19.6% 10.8% -93 dBm 99.5% 99.5% 97.8% 74.0% -110 dBm 94.4% 94.4% 87.3% 76.4% -86 dBm
Durham, NH 100.0% 100.0% 0.0% 0.0% -82 dBm 100.0% 100.0% 91.4% 70.0% -113 dBm 100.0% 100.0% 98.6% 77.1% -86 dBm
Farmington, NH 100.0% 100.0% 45.5% 24.1% -97 dBm 100.0% 100.0% 93.8% 80.0% -112 dBm 80.7% 80.7% 66.2% 48.3% -94 dBm
Lee, NH 97.2% 97.2% 19.7% 9.1% -99 dBm 91.1% 91.1% 32.0% 25.1% -116 dBm 83.1% 83.1% 56.1% 32.5% -98 dBm
Madbury, NH 100.0% 100.0% 14.0% 6.5% -94 dBm 100.0% 100.0% 87.8% 34.4% -114 dBm 91.8% 91.8% 74.9% 53.8% -93 dBm
Milton, NH 100.0% 100.0% 5.3% 0.0% -94 dBm 73.7% 73.7% 5.3% 5.3% -120 dBm 63.2% 63.2% 47.4% 42.1% -94 dBm
Milton Mills, NH 78.9% 78.9% 0.0% 0.0% -103 dBm 100.0% 100.0% 52.6% 36.8% -118 dBm 68.4% 68.4% 47.4% 0.0% -103 dBm
New Durham, NH 73.4% 73.4% 5.9% 0.5% -102 dBm 92.6% 92.6% 29.5% 24.9% -114 dBm 38.8% 38.8% 15.8% 5.0% -103 dBm
Rochester, NH 99.8% 99.8% 21.7% 10.5% -94 dBm 100.0% 100.0% 82.6% 53.4% -115 dBm 98.3% 98.3% 91.7% 67.5% -91 dBm
Rollinsford, NH 100.0% 100.0% 40.1% 22.9% -94 dBm 100.0% 100.0% 100.0% 89.2% -114 dBm 100.0% 100.0% 100.0% 96.2% -86 dBm
Somersworth, NH 99.1% 99.1% 17.2% 9.9% -97 dBm 100.0% 100.0% 98.7% 75.4% -112 dBm 100.0% 100.0% 99.6% 91.4% -87 dBm
Strafford, NH 86.8% 86.7% 19.3% 5.8% -101 dBm 78.6% 78.6% 19.3% 8.6% -118 dBm 31.7% 31.7% 13.1% 4.0% -103 dBm
Newmarket, NH 100.0% 100.0% 0.0% 0.0% -90 dBm 100.0% 100.0% 100.0% 92.9% -106 dBm 100.0% 100.0% 100.0% 98.2% -85 dBm
Union, NH 100.0% 100.0% 0.0% 0.0% -98 dBm 100.0% 100.0% 50.0% 50.0% -116 dBm 100.0% 100.0% 75.0% 12.5% -100 dBm