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281 zip codes in the 603 area code
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Cities and zips in BELKNAP County:
ALTON: 03809
ALTON BAY: 03810
BARNSTEAD: 03218
BELMONT: 03220
CENTER BARNSTEAD: 03225
CENTER HARBOR: 03226
GILFORD: 03249
GILMANTON: 03237
GILMANTON IRON WORKS: 03837
LACONIA: 03246 03247
LOCHMERE: 03252
MEREDITH: 03253
NEW HAMPTON: 03256
SANBORNTON: 03269
TILTON: 03276 03298 03299
WINNISQUAM: 03289

Cities and zips in CARROLL County:
BARTLETT: 03812
CENTER CONWAY: 03813
CENTER OSSIPEE: 03814
CENTER SANDWICH: 03227
CENTER TUFTONBORO: 03816
CHOCORUA: 03817
CONWAY: 03818
EAST WAKEFIELD: 03830
EATON CENTER: 03832
EFFINGHAM: 03882
FREEDOM: 03836
GLEN: 03838
INTERVALE: 03845
JACKSON: 03846
KEARSARGE: 03847
MADISON: 03849
MELVIN VILLAGE: 03850
MIRROR LAKE: 03853
MOULTONBOROUGH: 03254
NORTH CONWAY: 03860
NORTH SANDWICH: 03259
OSSIPEE: 03864
SANBORNVILLE: 03872
SILVER LAKE: 03875
SOUTH TAMWORTH: 03883
TAMWORTH: 03886
UNION: 03887
WEST OSSIPEE: 03890
WOLFEBORO: 03894
WOLFEBORO FALLS: 03896
WONALANCET: 03897

Cities and zips in CHESHIRE County:
ALSTEAD: 03602
ASHUELOT: 03441
CHESTERFIELD: 03443
DREWSVILLE: 03604
DUBLIN: 03444
FITZWILLIAM: 03447
GILSUM: 03448
HARRISVILLE: 03450
HINSDALE: 03451
JAFFREY: 03452
KEENE: 03431 03435
MARLBOROUGH: 03455
MARLOW: 03456
NELSON: 03457
NORTH WALPOLE: 03609
RINDGE: 03461
SPOFFORD: 03462
STODDARD: 03464
SULLIVAN: 03445
SWANZEY: 03446
TROY: 03465
WALPOLE: 03608
WEST CHESTERFIELD: 03466
WEST SWANZEY: 03469
WESTMORELAND: 03467
WINCHESTER: 03470

Cities and zips in COOS County:
BERLIN: 03570
BRETTON WOODS: 03575
COLEBROOK: 03576
ERROL: 03579
GORHAM: 03581
GROVETON: 03582
JEFFERSON: 03583
LANCASTER: 03584
MILAN: 03588
MOUNT WASHINGTON: 03589
NORTH STRATFORD: 03590
PITTSBURG: 03592
RANDOLPH: 03593
TWIN MOUNTAIN: 03595
WEST STEWARTSTOWN: 03597
WHITEFIELD: 03598

Cities and zips in GRAFTON County:
ASHLAND: 03217
BATH: 03740
BETHLEHEM: 03574
BRISTOL: 03222
CAMPTON: 03223
CANAAN: 03741
ENFIELD: 03748
ENFIELD CENTER: 03749
ETNA: 03750
FRANCONIA: 03580
GLENCLIFF: 03238
GRAFTON: 03240
HANOVER: 03755
HAVERHILL: 03765
HEBRON: 03241
HOLDERNESS: 03245
LEBANON: 03766 03756
LINCOLN: 03251
LISBON: 03585
LITTLETON: 03561
LYME: 03768
LYME CENTER: 03769
MONROE: 03771
NORTH HAVERHILL: 03774
NORTH WOODSTOCK: 03262
ORFORD: 03777
PIERMONT: 03779
PIKE: 03780
PLYMOUTH: 03264
RUMNEY: 03266
SUGAR HILL: 03586
THORNTON: 03285
WARREN: 03279
WATERVILLE VALLEY: 03215
WENTWORTH: 03282
WEST LEBANON: 03784
WOODSTOCK: 03293
WOODSVILLE: 03785

Cities and zips in HILLSBOROUGH County:
AMHERST: 03031
ANTRIM: 03440
BEDFORD: 03110
BENNINGTON: 03442
BROOKLINE: 03033
FRANCESTOWN: 03043
GOFFSTOWN: 03045
GREENFIELD: 03047
GREENVILLE: 03048
HANCOCK: 03449
HILLSBOROUGH: 03244
HOLLIS: 03049
HUDSON: 03051
LITCHFIELD: 03052
LYNDEBOROUGH: 03082
MANCHESTER: 03109 03105 03108 03103 03101 03102 03111 03104
MERRIMACK: 03054
MILFORD: 03055
MONT VERNON: 03057
NASHUA: 03060 03064 03063 03062 03061
NEW BOSTON: 03070
NEW IPSWICH: 03071
PELHAM: 03076
PETERBOROUGH: 03458
TEMPLE: 03084
WEARE: 03281
WEST PETERBOROUGH: 03468
WILTON: 03086

Cities and zips in MERRIMACK County:
ANDOVER: 03216
BOW: 03304
BRADFORD: 03221
CANTERBURY: 03224
CHICHESTER: 03258
CONCORD: 03301 03302 03303 03305
CONTOOCOOK: 03229
DANBURY: 03230
DUNBARTON: 03046
EAST ANDOVER: 03231
ELKINS: 03233
EPSOM: 03234
FRANKLIN: 03235
HENNIKER: 03242
HILL: 03243
HOOKSETT: 03106
LOUDON: 03307
NEW LONDON: 03257
NEWBURY: 03255
NORTH SUTTON: 03260
PITTSFIELD: 03263
SALISBURY: 03268
SOUTH NEWBURY: 03272
SOUTH SUTTON: 03273
SUNCOOK: 03275
WARNER: 03278
WILMOT: 03287

Cities and zips in ROCKINGHAM County:
ATKINSON: 03811
AUBURN: 03032
CANDIA: 03034
CHESTER: 03036
DANVILLE: 03819
DEERFIELD: 03037
DERRY: 03038
EAST CANDIA: 03040
EAST DERRY: 03041
EAST HAMPSTEAD: 03826
EAST KINGSTON: 03827
EPPING: 03042
EXETER: 03833
FREMONT: 03044
GREENLAND: 03840
HAMPSTEAD: 03841
HAMPTON: 03842 03843
HAMPTON FALLS: 03844
KINGSTON: 03848
LONDONDERRY: 03053
NEW CASTLE: 03854
NEWFIELDS: 03856
NEWMARKET: 03857
NEWTON: 03858
NEWTON JUNCTION: 03859
NORTH HAMPTON: 03862
NORTH SALEM: 03073
NORTHWOOD: 03261
NOTTINGHAM: 03290
PLAISTOW: 03865
PORTSMOUTH: 03804 03802 03803 03801
RAYMOND: 03077
RYE: 03870
RYE BEACH: 03871
SALEM: 03079
SANDOWN: 03873
SEABROOK: 03874
STRATHAM: 03885
WEST NOTTINGHAM: 03291
WINDHAM: 03087

Cities and zips in STRAFFORD County:
BARRINGTON: 03825
CENTER STRAFFORD: 03815
DOVER: 03820 03821 03822
DURHAM: 03824
FARMINGTON: 03835
LEE: 03861
MADBURY: 03823
MILTON: 03851
MILTON MILLS: 03852
NEW DURHAM: 03855
ROCHESTER: 03839 03868 03867 03866
ROLLINSFORD: 03869
SOMERSWORTH: 03878
STRAFFORD: 03884

Cities and zips in SULLIVAN County:
ACWORTH: 03601
CHARLESTOWN: 03603
CLAREMONT: 03743
CORNISH: 03745
CORNISH FLAT: 03746
GEORGES MILLS: 03751
GOSHEN: 03752
GRANTHAM: 03753
GUILD: 03754
LEMPSTER: 03605
MERIDEN: 03770
NEWPORT: 03773
PLAINFIELD: 03781
SOUTH ACWORTH: 03607
SPRINGFIELD: 03284
SUNAPEE: 03782
WASHINGTON: 03280

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