Best Coverage!

AT&T

100.00%
Coverage

  • Plans From $65 to $85
  • Unlimited Talk & Text
  • Up To 100GB Premium Data & 30GB 4G Hotspot
  • Top Plan Includes HBO MAX
  • Up To 720p Streaming
Call 800-288-2020

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Verizon

84.24%
Coverage

  • Plans From $70 to $90
  • Unlimited Talk & Text
  • Up To 75GB Premium Data & 30GB 4G Hotspot
  • Most Plans Include Apple Music and 1 Year Of Disney+
  • Up To 720p Streaming
Call 844-751-8735

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T-Mobile

83.71%
Coverage

  • Plans From $60 to $85
  • Unlimited Talk & Text
  • Up To 50GB Premium Data & 20GB 4G Hotspot
  • Netflix And Quibi Free For A Year
  • Up To 1080p Streaming
Call 800-866-2453

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Cellular Access In Portsmouth, NH


  • AT&T has the best cell phone coverage in Portsmouth.
  • Portsmouth, NH has an average of 91.29% coverage across the four major carriers.
  • Portsmouth is 95th in New Hampshire for cell reception ahead of New Castle, Newmarket, Newfields, and East Kingston, but behind Greenland.
  • Roughly 2.47 square miles of Portsmouth has limited access to cellular data.
  • T-Mobile is ranked as the fastest provider in New Hampshire.
  • Portsmouth has 1 cell tower.

Portsmouth Cellular Coverage Map


Cell Phone Coverage By ZIP In Portsmouth

ZIP Code Verizon ATT T-Mobile
0380184%100%83%

Cell Phone Tower In Portsmouth, New Hampshire

Licensee Address Height Tower Type
Cellco Partnership775A Lafayette Rd, Portsmouth, NH 03801150TOWER

User Reported Dead Zones Near Portsmouth

Carrier Address Comment Date Added
T-Mobile320 Ash Swamp Rd242 Wadleigh Falls Rd, Lee, NH2015
AT&T36 Lindenshire AveFrom NH to Maine, at&t SUCKS2019
AT&T75 Cherry LnVery weak signal. Problem worsened since late July 2016. Frequently unable to connect to internet at all, and when we do, signal is one bar. Voice quality outbound is low. True on my BlackBerry and wife's iPhone.2019
Sprint75 Railroad AveSpotty coverage on voice,data is atrocious. Two cell towers very close to each other. One is in Sam's Club parking lot off Batchelder Rd. in sight of I-95,the other in the wood behind Fogg's Auto Salvage. Seabrook Beach and Hampton Beach terrible Sprint coverage. Phone show Lte at times but still not very good.2016
Verizon1 Split Rock RdNo cell service or 1 bar in what's supposed to be an LTE area2019
Data Provided By DeadCellZones.com

Cell Phone Stores Closest To Portsmouth, NH

Carrier Address Phone Directions
AT&T1981 Woodbury Ave, Portsmouth, NH, 03801603-427-6866Directions
Verizon599 Lafayette Rd, Portsmouth, NH, 03801603-766-3343Directions
T-Mobile1800 Woodbury Avenue, Portsmouth, NH, 03801603-559-1401Directions

Cell Phone Coverage In Nearby Cities