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  4. Area Code: 603

Area Code 603

Area Code 603 is in New Hampshire and covers 9266.76 square miles. Area Code 603 contains 284 non-unique postal area zip codes.

Metro Area
Start Year
Area9266.76 sqm / 14913 sqkm
Population1315828
Current Time:
EST
Time Zone:Eastern Standard Time
Adjacent Area CodesState
Area Code 207Maine
Area Code 351Massachusetts
Area Code 413Massachusetts
Area Code 802Vermont
Area Code 978Massachusetts
List of All Zipcodes in Area Code 603
Zip CodePostal CityCountyMetro AreaState
Zip Code 03031AmherstHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03032AuburnRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03033BrooklineHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03036ChesterRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03038DerryRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03043FrancestownHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03044FremontRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03047GreenfieldHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03048GreenvilleHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03049HollisHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03051HudsonHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03052LitchfieldHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03053LondonderryRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03054MerrimackHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03057Mont VernonHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03060NashuaHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03062NashuaHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03063NashuaHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03070New BostonHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03071New IpswichHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03077RaymondRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03082LyndeboroughHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03084TempleHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03086WiltonHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03087WindhamRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03102ManchesterHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03103ManchesterHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03106HooksettMerrimackConcord, NHNew Hampshire
Zip Code 03109ManchesterHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03216AndoverMerrimackConcord, NHNew Hampshire
Zip Code 03217AshlandGraftonLebanon, NH-VTNew Hampshire
Zip Code 03218BarnsteadBelknapLaconia, NHNew Hampshire
Zip Code 03220BelmontBelknapLaconia, NHNew Hampshire
Zip Code 03223CamptonGraftonLebanon, NH-VTNew Hampshire
Zip Code 03226Center HarborBelknapLaconia, NHNew Hampshire
Zip Code 03227Center SandwichCarrollNew Hampshire
Zip Code 03229ContoocookMerrimackConcord, NHNew Hampshire
Zip Code 03234EpsomMerrimackConcord, NHNew Hampshire
Zip Code 03235FranklinMerrimackConcord, NHNew Hampshire
Zip Code 03240GraftonGraftonLebanon, NH-VTNew Hampshire
Zip Code 03242HennikerMerrimackConcord, NHNew Hampshire
Zip Code 03243HillMerrimackConcord, NHNew Hampshire
Zip Code 03244HillsboroughHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03245HoldernessGraftonLebanon, NH-VTNew Hampshire
Zip Code 03249GilfordBelknapLaconia, NHNew Hampshire
Zip Code 03251LincolnGraftonLebanon, NH-VTNew Hampshire
Zip Code 03255NewburyMerrimackConcord, NHNew Hampshire
Zip Code 03256New HamptonBelknapLaconia, NHNew Hampshire
Zip Code 03257New LondonMerrimackConcord, NHNew Hampshire
Zip Code 03259North SandwichCarrollNew Hampshire
Zip Code 03261NorthwoodRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03262North WoodstockGraftonLebanon, NH-VTNew Hampshire
Zip Code 03264PlymouthGraftonLebanon, NH-VTNew Hampshire
Zip Code 03268SalisburyMerrimackConcord, NHNew Hampshire
Zip Code 03269SanborntonBelknapLaconia, NHNew Hampshire
Zip Code 03276TiltonMerrimackLaconia, NHNew Hampshire
Zip Code 03278WarnerMerrimackConcord, NHNew Hampshire
Zip Code 03281WeareHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03282WentworthGraftonLebanon, NH-VTNew Hampshire
Zip Code 03284SpringfieldSullivanClaremont, NHNew Hampshire
Zip Code 03290NottinghamRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03301ConcordMerrimackConcord, NHNew Hampshire
Zip Code 03303ConcordMerrimackConcord, NHNew Hampshire
Zip Code 03304BowMerrimackConcord, NHNew Hampshire
Zip Code 03307LoudonMerrimackConcord, NHNew Hampshire
Zip Code 03431KeeneCheshireKeene, NHNew Hampshire
Zip Code 03442BenningtonHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03443ChesterfieldCheshireKeene, NHNew Hampshire
Zip Code 03444DublinCheshireKeene, NHNew Hampshire
Zip Code 03445SullivanCheshireKeene, NHNew Hampshire
Zip Code 03446SwanzeyCheshireKeene, NHNew Hampshire
Zip Code 03452JaffreyCheshireKeene, NHNew Hampshire
Zip Code 03457NelsonCheshireKeene, NHNew Hampshire
Zip Code 03461RindgeCheshireKeene, NHNew Hampshire
Zip Code 03462SpoffordCheshireKeene, NHNew Hampshire
Zip Code 03464StoddardCheshireKeene, NHNew Hampshire
Zip Code 03466West ChesterfieldCheshireKeene, NHNew Hampshire
Zip Code 03470WinchesterCheshireKeene, NHNew Hampshire
Zip Code 03570BerlinCoosBerlin, NH-VTNew Hampshire
Zip Code 03579ErrolCoosBerlin, NH-VTNew Hampshire
Zip Code 03583JeffersonCoosBerlin, NH-VTNew Hampshire
Zip Code 03584LancasterCoosBerlin, NH-VTNew Hampshire
Zip Code 03585LisbonGraftonLebanon, NH-VTNew Hampshire
Zip Code 03590North StratfordCoosBerlin, NH-VTNew Hampshire
Zip Code 03593RandolphCoosBerlin, NH-VTNew Hampshire
Zip Code 03598WhitefieldCoosBerlin, NH-VTNew Hampshire
Zip Code 03602AlsteadCheshireKeene, NHNew Hampshire
Zip Code 03603CharlestownSullivanClaremont, NHNew Hampshire
Zip Code 03605LempsterSullivanClaremont, NHNew Hampshire
Zip Code 03608WalpoleCheshireKeene, NHNew Hampshire
Zip Code 03609North WalpoleCheshireKeene, NHNew Hampshire
Zip Code 03741CanaanGraftonLebanon, NH-VTNew Hampshire
Zip Code 03750EtnaGraftonLebanon, NH-VTNew Hampshire
Zip Code 03755HanoverGraftonLebanon, NH-VTNew Hampshire
Zip Code 03765HaverhillGraftonLebanon, NH-VTNew Hampshire
Zip Code 03766LebanonGraftonLebanon, NH-VTNew Hampshire
Zip Code 03771MonroeGraftonLebanon, NH-VTNew Hampshire
Zip Code 03773NewportSullivanClaremont, NHNew Hampshire
Zip Code 03777OrfordGraftonLebanon, NH-VTNew Hampshire
Zip Code 03779PiermontGraftonLebanon, NH-VTNew Hampshire
Zip Code 03780PikeGraftonLebanon, NH-VTNew Hampshire
Zip Code 03781PlainfieldSullivanClaremont, NHNew Hampshire
Zip Code 03782SunapeeSullivanClaremont, NHNew Hampshire
Zip Code 03784West LebanonGraftonLebanon, NH-VTNew Hampshire
Zip Code 03785WoodsvilleGraftonLebanon, NH-VTNew Hampshire
Zip Code 03801PortsmouthRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03810Alton BayBelknapLaconia, NHNew Hampshire
Zip Code 03811AtkinsonRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03812BartlettCarrollNew Hampshire
Zip Code 03813Center ConwayCarrollNew Hampshire
Zip Code 03814Center OssipeeCarrollNew Hampshire
Zip Code 03816Center TuftonboroCarrollNew Hampshire
Zip Code 03817ChocoruaCarrollNew Hampshire
Zip Code 03819DanvilleRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03820DoverStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03823MadburyStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03824DurhamStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03825BarringtonStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03826East HampsteadRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03827East KingstonRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03830East WakefieldCarrollNew Hampshire
Zip Code 03837Gilmanton Iron WorksBelknapLaconia, NHNew Hampshire
Zip Code 03838GlenCarrollNew Hampshire
Zip Code 03839RochesterStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03842HamptonRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03846JacksonCarrollNew Hampshire
Zip Code 03848KingstonRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03852Milton MillsStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03853Mirror LakeCarrollNew Hampshire
Zip Code 03854New CastleRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03856NewfieldsRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03857NewmarketRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03858NewtonRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03860North ConwayCarrollNew Hampshire
Zip Code 03864OssipeeCarrollNew Hampshire
Zip Code 03867RochesterStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03868RochesterStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03869RollinsfordStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03871Rye BeachRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03872SanbornvilleCarrollNew Hampshire
Zip Code 03874SeabrookRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03875Silver LakeCarrollNew Hampshire
Zip Code 03882EffinghamCarrollPortland-South Portland-Biddeford, MENew Hampshire
Zip Code 03884StraffordStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03886TamworthCarrollNew Hampshire
Zip Code 03887UnionStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03890West OssipeeCarrollNew Hampshire
Zip Code 03076PelhamHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03745CornishSullivanClaremont, NHNew Hampshire
Zip Code 03809AltonBelknapLaconia, NHNew Hampshire
Zip Code 03752GoshenSullivanClaremont, NHNew Hampshire
Zip Code 03279WarrenGraftonLebanon, NH-VTNew Hampshire
Zip Code 03574BethlehemGraftonLebanon, NH-VTNew Hampshire
Zip Code 03441AshuelotCheshireKeene, NHNew Hampshire
Zip Code 03768LymeGraftonLebanon, NH-VTNew Hampshire
Zip Code 03581GorhamCoosBerlin, NH-VTNew Hampshire
Zip Code 03770MeridenSullivanClaremont, NHNew Hampshire
Zip Code 03287WilmotMerrimackConcord, NHNew Hampshire
Zip Code 03447FitzwilliamCheshireKeene, NHNew Hampshire
Zip Code 03449HancockHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03455MarlboroughCheshireKeene, NHNew Hampshire
Zip Code 03456MarlowCheshireKeene, NHNew Hampshire
Zip Code 03101ManchesterHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03266RumneyGraftonLebanon, NH-VTNew Hampshire
Zip Code 03042EppingRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03221BradfordMerrimackConcord, NHNew Hampshire
Zip Code 03253MeredithBelknapLaconia, NHNew Hampshire
Zip Code 03263PittsfieldMerrimackConcord, NHNew Hampshire
Zip Code 03833ExeterRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03883South TamworthCarrollNew Hampshire
Zip Code 03862North HamptonRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03818ConwayCarrollNew Hampshire
Zip Code 03592PittsburgCoosBerlin, NH-VTNew Hampshire
Zip Code 03607South AcworthSullivanClaremont, NHNew Hampshire
Zip Code 03743ClaremontSullivanClaremont, NHNew Hampshire
Zip Code 03440AntrimHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03285ThorntonGraftonLebanon, NH-VTNew Hampshire
Zip Code 03774North HaverhillGraftonLebanon, NH-VTNew Hampshire
Zip Code 03451HinsdaleCheshireKeene, NHNew Hampshire
Zip Code 03241HebronGraftonLebanon, NH-VTNew Hampshire
Zip Code 03034CandiaRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03110BedfordHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03275SuncookMerrimackConcord, NHNew Hampshire
Zip Code 03046DunbartonMerrimackConcord, NHNew Hampshire
Zip Code 03222BristolGraftonLebanon, NH-VTNew Hampshire
Zip Code 03224CanterburyMerrimackConcord, NHNew Hampshire
Zip Code 03254MoultonboroughCarrollNew Hampshire
Zip Code 03225Center BarnsteadBelknapLaconia, NHNew Hampshire
Zip Code 03064NashuaHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03079SalemRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03230DanburyMerrimackConcord, NHNew Hampshire
Zip Code 03037DeerfieldRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03845IntervaleCarrollNew Hampshire
Zip Code 03849MadisonCarrollNew Hampshire
Zip Code 03855New DurhamStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03836FreedomCarrollNew Hampshire
Zip Code 03861LeeStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03865PlaistowRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03840GreenlandRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03870RyeRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03844Hampton FallsRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03740BathGraftonLebanon, NH-VTNew Hampshire
Zip Code 03467WestmorelandCheshireKeene, NHNew Hampshire
Zip Code 03561LittletonGraftonLebanon, NH-VTNew Hampshire
Zip Code 03753GranthamSullivanClaremont, NHNew Hampshire
Zip Code 03576ColebrookCoosBerlin, NH-VTNew Hampshire
Zip Code 03582GrovetonCoosBerlin, NH-VTNew Hampshire
Zip Code 03291West NottinghamRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03450HarrisvilleCheshireKeene, NHNew Hampshire
Zip Code 03588MilanCoosBerlin, NH-VTNew Hampshire
Zip Code 03237GilmantonBelknapLaconia, NHNew Hampshire
Zip Code 03104ManchesterHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03045GoffstownHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03246LaconiaBelknapLaconia, NHNew Hampshire
Zip Code 03055MilfordHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03258ChichesterMerrimackConcord, NHNew Hampshire
Zip Code 03851MiltonStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03878SomersworthStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03835FarmingtonStraffordBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03885StrathamRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03894WolfeboroCarrollNew Hampshire
Zip Code 03841HampsteadRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03873SandownRockinghamBoston-Cambridge-Quincy, MA-NHNew Hampshire
Zip Code 03458PeterboroughHillsboroughManchester-Nashua, NHNew Hampshire
Zip Code 03465TroyCheshireKeene, NHNew Hampshire
Zip Code 03748EnfieldGraftonLebanon, NH-VTNew Hampshire
Zip Code 03280WashingtonSullivanClaremont, NHNew Hampshire
Zip Code 03580FranconiaGraftonLebanon, NH-VTNew Hampshire
Zip Code 03448GilsumCheshireKeene, NHNew Hampshire
Zip Code 03586Sugar HillGraftonLebanon, NH-VTNew Hampshire
Zip Code 03298TiltonBelknapNew Hampshire
Zip Code 03754GuildSullivanNew Hampshire
Zip Code 03273South SuttonMerrimackNew Hampshire
Zip Code 03238GlencliffGraftonNew Hampshire
Zip Code 03822DoverStraffordNew Hampshire
Zip Code 03233ElkinsMerrimackNew Hampshire
Zip Code 03847KearsargeCarrollNew Hampshire
Zip Code 03435KeeneCheshireNew Hampshire
Zip Code 03595Twin MountainCoosNew Hampshire
Zip Code 03843HamptonRockinghamNew Hampshire
Zip Code 03231East AndoverMerrimackNew Hampshire
Zip Code 03247LaconiaBelknapNew Hampshire
Zip Code 03850Melvin VillageCarrollNew Hampshire
Zip Code 03802PortsmouthRockinghamNew Hampshire
Zip Code 03589Mount WashingtonCoosNew Hampshire
Zip Code 03897WonalancetCarrollNew Hampshire
Zip Code 03749Enfield CenterGraftonNew Hampshire
Zip Code 03302ConcordMerrimackNew Hampshire
Zip Code 03040East CandiaRockinghamNew Hampshire
Zip Code 03252LochmereBelknapNew Hampshire
Zip Code 03604DrewsvilleCheshireNew Hampshire
Zip Code 03815Center StraffordStraffordNew Hampshire
Zip Code 03041East DerryRockinghamNew Hampshire
Zip Code 03272South NewburyMerrimackNew Hampshire
Zip Code 03293WoodstockGraftonNew Hampshire
Zip Code 03468West PeterboroughHillsboroughNew Hampshire
Zip Code 03305ConcordMerrimackNew Hampshire
Zip Code 03111ManchesterHillsboroughNew Hampshire
Zip Code 03896Wolfeboro FallsCarrollNew Hampshire
Zip Code 03073North SalemRockinghamNew Hampshire
Zip Code 03803PortsmouthRockinghamNew Hampshire
Zip Code 03601AcworthSullivanNew Hampshire
Zip Code 03469West SwanzeyCheshireNew Hampshire
Zip Code 03289WinnisquamBelknapNew Hampshire
Zip Code 03756LebanonGraftonNew Hampshire
Zip Code 03832Eaton CenterCarrollNew Hampshire
Zip Code 03769Lyme CenterGraftonNew Hampshire
Zip Code 03107ManchesterHillsboroughNew Hampshire
Zip Code 03805NewingtonStraffordNew Hampshire
Zip Code 03866RochesterStraffordNew Hampshire
Zip Code 03751Georges MillsSullivanNew Hampshire
Zip Code 03108ManchesterHillsboroughNew Hampshire
Zip Code 03746Cornish FlatSullivanNew Hampshire
Zip Code 03274Stinson LakeGraftonNew Hampshire
Zip Code 03299TiltonBelknapNew Hampshire
Zip Code 03061NashuaHillsboroughNew Hampshire
Zip Code 03260North SuttonMerrimackNew Hampshire
Zip Code 03804PortsmouthRockinghamNew Hampshire
Zip Code 03105ManchesterHillsboroughNew Hampshire
Zip Code 03597West StewartstownCoosNew Hampshire
Zip Code 03821DoverStraffordNew Hampshire
Zip Code 03575Bretton WoodsCoosNew Hampshire
Zip Code 03215Waterville ValleyGraftonNew Hampshire
Zip Code 03859Newton JunctionRockinghamNew Hampshire
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