Carrierlytics City Coverage Guide

Topsham, VT Cell Phone Coverage Map & Network Rankings (2026)

Don't overpay for a network that struggles where you actually use your phone.

Using FCC mobile coverage data across Topsham, VT ZIP codes, Carrierlytics compares the top-performing networks and the cheapest plans that use them.



Cell phone coverage map for Topsham, VT

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 Carrierlytics.

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Cell phone coverage rankings by network in Topsham, VT

#1

AT&T

Coverage Score 31.0
In Topsham, VT
Overall
74.4%
4G LTE
74.4% avg. -112 dBm 4G LTE signal where 4G LTE coverage exists: avg. -112 dBm
5G
0.0%
Fast 5G
0.0%
Orange County, VT covered 63.8%
#2

Verizon

Coverage Score 24.4
In Topsham, VT
Overall
35.5%
4G LTE
35.5% avg. -104 dBm 4G LTE signal where 4G LTE coverage exists: avg. -104 dBm
5G
0.6% avg. -103 dBm 5G signal where 5G coverage exists: avg. -103 dBm
Fast 5G
0.0%
Orange County, VT covered 66.7%
#3

T-Mobile

Coverage Score 18.1
In Topsham, VT
Overall
3.3%
4G LTE
3.3% avg. -102 dBm 4G LTE signal where 4G LTE coverage exists: avg. -102 dBm
5G
2.1% avg. -100 dBm 5G signal where 5G coverage exists: avg. -100 dBm
Fast 5G
0.2% avg. -100 dBm Fast 5G signal where Fast 5G coverage exists: avg. -100 dBm
Orange County, VT covered 36.6%

County coverage is shown for surrounding-area context and uses land-area only coverage.

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Best phone plans for Topsham, VT

Best phone plans on AT&T's network for Topsham, VT

31.0 AT&T coverage score Ranked #1 in Topsham, VT
See all plans on AT&T Compare all phone plans

Coverage by ZIP code in Topsham, VT

ZIP code areas can extend beyond city limits, so this table is best used for local comparison around the city.

ZIP Code AT&T T-Mobile Verizon
05076 74.4% 74.4% 0.0% 0.0% 3.3% 3.3% 2.1% 0.2% 35.5% 35.5% 0.6% 0.0%

About The Coverage Data

Coverage and signal estimates are derived by Carrierlytics 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 Topsham, VT 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.