603 Area Code

 

Area code 603 is the area code for New Hampshire. It is New Hampshire's only area code.

Time Zone:Eastern GMT -5:00 with Daylight Saving in the Summer
Assigned Date:01-Jan-47
In Service Date:01-Jan-47

Counties that Use 603 Area Code

Major Cities that Use 603 Area Code

All Cities & Towns that Use 603 Area Code

AcworthAlsteadAltonAlton BayAmherstAndoverAntrimAshlandAshuelotAtkinsonAuburnBarnsteadBarringtonBartlettBathBedfordBelmontBenningtonBerlinBethlehemBowBradfordBretton WoodsBristolBrooklineCamptonCanaanCandiaCanterburyCenter BarnsteadCenter ConwayCenter HarborCenter OssipeeCenter SandwichCenter StraffordCenter TuftonboroCharlestownChesterChesterfieldChichesterChocoruaClaremontColebrookConcordContoocookConwayCornishCornish FlatDanburyDanvilleDeerfieldDerryDoverDrewsvilleDublinDunbartonDurhamEast AndoverEast CandiaEast DerryEast HampsteadEast KingstonEast WakefieldEaton CenterEffinghamElkinsEnfieldEnfield CenterEppingEpsomErrolEtnaExeterFarmingtonFitzwilliamFrancestownFranconiaFranklinFreedomFremontGeorges MillsGilfordGilmantonGilmanton Iron WorksGilsumGlenGlencliffGoffstownGorhamGoshenGraftonGranthamGreenfieldGreenlandGreenvilleGrovetonGuildHampsteadHamptonHampton FallsHancockHanoverHarrisvilleHaverhillHebronHennikerHillHillsboroughHinsdaleHoldernessHollisHooksettHudsonIntervaleJacksonJaffreyJeffersonKearsargeKeeneKingstonLaconiaLancasterLebanonLeeLempsterLincolnLisbonLitchfieldLittletonLochmereLondonderryLoudonLymeLyme CenterLyndeboroughMadburyMadisonManchesterMarlboroughMarlowMelvin VillageMeredithMeridenMerrimackMilanMilfordMiltonMilton MillsMirror LakeMonroeMont VernonMoultonboroughMount WashingtonNashuaNelsonNew BostonNew CastleNew DurhamNew HamptonNew IpswichNew LondonNewburyNewfieldsNewingtonNewmarketNewportNewtonNewton JunctionNorth ConwayNorth HamptonNorth HaverhillNorth SalemNorth SandwichNorth StratfordNorth SuttonNorth WalpoleNorth WoodstockNorthwoodNottinghamOrfordOssipeePelhamPeterboroughPiermontPikePittsburgPittsfieldPlainfieldPlaistowPlymouthPortsmouthRandolphRaymondRindgeRochesterRollinsfordRumneyRyeRye BeachSalemSalisburySanborntonSanbornvilleSandownSeabrookSilver LakeSomersworthSouth AcworthSouth NewburySouth SuttonSouth TamworthSpoffordSpringfieldStinson LakeStoddardStraffordStrathamSugar HillSullivanSunapeeSuncookSwanzeyTamworthTempleThorntonTiltonTroyTwin MountainUnionWalpoleWarnerWarrenWashingtonWaterville ValleyWeareWentworthWest ChesterfieldWest LebanonWest NottinghamWest OssipeeWest PeterboroughWest StewartstownWest SwanzeyWestmorelandWhitefieldWilmotWiltonWinchesterWindhamWinnisquamWolfeboroWolfeboro FallsWonalancetWoodstockWoodsville
 

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Where is 603 area code?

The following map shows the coverage of 603 area code. The coverage area is shown in green.

Area code map of the entire U.S.

 
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