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Area Code Profile

603, NH

Browse ZIP codes and key stats for 603, New Hampshire: population, households, income, education, health coverage, and more.

Area Code details
Local time 01:42:06(ET)
Location603, NH
Population (ZIP areas)0(sum of local ZIP code populations)
Total ZIP codes247total
ZIP codes (by type)
231 Standard16 PO Box
Cities Covered
ManchesterNashuaConcordDoverRochesterKeene+234 more
Counties Covered
Hillsborough CountyRockingham CountyMerrimack CountyStrafford CountyGrafton CountyCheshire County+4 more

Map of area code 603

Map of area code 603, New Hampshire
Interactive map showing the coverage area of 603 in New Hampshire. Click to load.

ZIP codes in area code 603

247 ZIP codes covered by this area code.

0360103602038090381003031032160344003217034410381103032032180382503812037400311003220034420357003574033040322103575032220303303223037410303403224032250381303226038140322703816036030303603443032580381703743035760330103303032290381803745032300381903037+197 more

Cities served by area code 603

240 cities covered by this area code.

CityZIP codes
Median incomeHousehold
Population
Manchester8$81,007115,644
Nashua5$96,32691,322
Concord4$84,90243,976
Dover3$94,82932,741
Rochester4$80,83632,492
Keene2$78,44523,047
Derry1$91,67322,879
Portsmouth4$106,21921,956
Laconia2$73,21816,871
Lebanon2$98,14714,282
Claremont1$59,09612,949
Somersworth1$74,50411,855
Londonderry1$119,57111,645
Durham1$112,07011,147
Exeter1$87,34610,109
Hampton2$97,1639,597
Berlin1$45,1809,425
Milford1$78,6849,212
Hanover1$153,2819,078
Franklin1$71,6488,741
Hudson1$95,8427,534
Newmarket1$87,1965,797
Suncook1$79,8365,501
Hooksett1$101,0535,283
Newport1$78,1744,735
Plymouth1$89,5004,730
Littleton1$53,0824,467
Farmington1$55,0293,824
Raymond1$73,0663,738
Conway1$59,1673,576
Goffstown1$132,9973,366
Wolfeboro1$51,8393,300
Henniker1$76,3263,166
Peterborough1$85,8333,090
Jaffrey1$99,6673,058
Epping1$95,2732,693
Meredith1$59,3752,527
Hillsborough1$49,2052,156
North Conway1$71,1982,116
Lancaster1$66,7651,941
Bristol1$73,9931,911
Gorham1$62,6791,851
Winchester1$81,2501,606
Enfield1$99,3301,571
Pittsfield1$60,1441,570
Hinsdale1$72,2921,485
Whitefield1$61,4291,460
Woodsville1$57,9461,431
Contoocook1$97,9281,427
Antrim1$72,7381,395
Wilton1$84,3421,324
Belmont1$52,5941,285
West Swanzey1$47,0901,281
New London1—1,266
Colebrook1$46,8331,201
Troy1$96,2501,108
Ashland1$44,1881,082
Charlestown1$31,0781,078
Greenville1$53,8071,074
Groveton1$37,3211,068
Marlborough1$67,3561,066
Lincoln1$60,000969
Lisbon1$68,813965
Sanbornville1$126,359963
North Haverhill1$58,631843
Bethlehem1$64,625826
North Walpole1$74,167785
North Woodstock1$71,094739
Loudon1$106,486711
Amherst1$154,286697
Milton1$48,125593
Walpole1$89,750573
Center Ossipee1—526
Alton1—499
Warner1$47,885453
Canaan1—442
Newfields1$185,769378
New Hampton1$105,938373
Bradford1$84,375372
Bartlett1—351
Bennington1$74,125338
New Boston1$250,001326
Milton Mills1$250,001313
Melvin Village1$101,298273
West Stewartstown1$80,167263
Hancock1$55,278213
Francestown1$138,438201
Union1$75,117196
Plainfield1$109,500178
Center Sandwich1$102,083156
Acworth1——
Alstead1——
Alton Bay1——
Andover1——
Ashuelot1——
Atkinson1——
Auburn1——
Barnstead1——
Barrington1——
Bath1——
Bedford1——
Bow1——
Bretton Woods1——
Brookline1——
Campton1——
Candia1——
Canterbury1——
Center Barnstead1——
Center Conway1——
Center Harbor1——
Center Tuftonboro1——
Chester1——
Chesterfield1——
Chichester1——
Chocorua1——
Cornish1——
Cornish Flat1——
Danbury1——
Danville1——
Deerfield1——
Drewsville1——
Dublin1——
Dunbarton1——
East Andover1——
East Hampstead1——
East Kingston1——
East Wakefield1——
Eaton Center1——
Effingham1——
Elkins1——
Epsom1——
Errol1——
Etna1——
Fitzwilliam1——
Franconia1——
Freedom1——
Fremont1——
Georges Mills1——
Gilford1——
Gilmanton1——
Gilmanton Iron Works1——
Gilsum1——
Glen1——
Glencliff1——
Goshen1——
Grafton1——
Grantham1——
Greenfield1——
Greenland1——
Guild1——
Hampstead1——
Hampton Falls1——
Harrisville1——
Haverhill1——
Hebron1——
Hill1——
Holderness1——
Hollis1——
Intervale1——
Jackson1——
Jefferson1——
Kearsarge1——
Kingston1——
Lee1——
Lempster1——
Litchfield1——
Lyme1——
Lyndeborough1——
Madbury1——
Madison1——
Marlow1——
Meriden1——
Merrimack1——
Milan1——
Mirror Lake1——
Monroe1——
Mont Vernon1——
Moultonborough1——
Nelson1——
New Castle1——
New Durham1——
New Ipswich1——
Newbury1——
Newton1——
North Hampton1——
North Sandwich1——
North Stratford1——
North Sutton1——
Northwood1——
Nottingham1——
Orford1——
Ossipee1——
Pelham1——
Piermont1——
Pike1——
Pittsburg1——
Plaistow1——
Randolph1——
Rindge1——
Rollinsford1——
Rumney1——
Rye1——
Rye Beach1——
Salem1——
Salisbury1——
Sanbornton1——
Sandown1——
Seabrook1——
Silver Lake1——
South Acworth1——
South Sutton1——
South Tamworth1——
Spofford1——
Springfield1——
Stoddard1——
Strafford1——
Stratham1——
Sugar Hill1——
Sullivan1——
Sunapee1——
Swanzey1——
Tamworth1——
Temple1——
Thornton1——
Tilton3——
Twin Mountain1——
Warren1——
Washington1——
Waterville Valley1——
Weare1——
Wentworth1——
West Chesterfield1——
West Lebanon1——
West Nottingham1——
West Ossipee1——
Westmoreland1——
Wilmot1——
Windham1——
Wonalancet1——
Woodstock1——

Counties served by area code 603

10 counties covered by this area code.

CountyZIP codes
Median incomeHousehold
Population
Hillsborough County38$103,545422,937
Rockingham County40$118,331314,176
Merrimack County32$97,004153,808
Strafford County18$88,570130,889
Grafton County37$88,26191,118
Cheshire County27$83,32976,458
Belknap County14$92,78363,705
Carroll County30$86,46350,107
Sullivan County17$80,85843,063
Coos County14$57,67731,268

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS