Located in the Eastern (GMT -05:00) time zone. Area code 603 serves the state of New Hampshire. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 603 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D.
Information for Area Code 603
Area Code
603
Country
United States
State
New Hampshire (NH)
Major City
Manchester
Time Zone
Eastern (GMT -05:00)
Population
1,235,735
White Population
1,186,801
Black Population
9,035
Hispanic Population
20,488
Asian Population
15,931
Hawaiian Population
371
Indian Population
2,964
Other Population
7,419
Male Population
607,664
Female Population
628,071
Avg House Value
$125,350.00
Avg Household Income
$49,416.62
Avg Persons Per Household
2.54
Median Age
39.05
Median Age (Male)
38.63
Median Age (Female)
39.47
List of Cities in Area Code Overlay Complex 270
Intervale
Concord
Manchester
Woodsville
Plainfield
Canterbury
Meredith
Raymond
Nashua
Keene
Tilton
North Woodstock
Lebanon
Tamworth
Berlin
Milford
Salisbury
Lancaster
Merrimack
Salem
Hillsborough
Epping
Hanover
Exeter
Kingston
Rochester
North Conway
Somersworth
Claremont
Jackson
Meriden
Bow
Littleton
Seabrook
Hampton
North Walpole
Farmington
Sunapee
Warren
Grafton
Dover
Portsmouth
Laconia
Northwood
Andover
New Boston
Warner
Contoocook
Bristol
Chesterfield
Colebrook
Plaistow
Jefferson
Fitzwilliam
Antrim
Lyme
Jaffrey
Durham
Goffstown
Newmarket
Wilton
Conway
Franklin
Barrington
Union
Center Ossipee
Bedford
Groveton
Pelham
Enfield
Gorham
Walpole
Suncook
Elkins
Peterborough
Chester
Rindge
Ashland
Plymouth
Henniker
Wilmot
Hampton Falls
Wolfeboro
Derry
Rye
Chichester
Campton
Milan
Greenfield
Greenville
Lee
Center Barnstead
Harrisville
Charlestown
Franconia
Pittsfield
Canaan
New Durham
West Lebanon
New London
Newport
Marlborough
Alton
Sanbornville
Bethlehem
Lisbon
Whitefield
Alstead
Epsom
Sullivan
Hampstead
Hinsdale
Bartlett
Candia
Madison
Gilmanton
Orford
North Sandwich
Troy
Winchester
Errol
Hollis
Belmont
Weare
Hancock
Washington
Rockingham
Pittsburg
Center Tuftonboro
Newton
Westmoreland
Deerfield
Milton Mills
Marlow
List of Zip Codes in Area Code 603
3857
3102
3104
3101
3064
3063
3060
3801
3768
3431
3109
3103
3079
3038
3579
3570
3222
3303
3301
3062
3251
3897
3259
3576
3264
3470
3465
3785
3820
3055
3225
3253
3217
3784
3466
3443
3451
3865
3049
3561
3054
3070
3276
3220
3275
3268
3263
3266
3282
3279
3779
3246
3249
3844
3874
3827
3755
3574
3583
3598
3825
3741
3883
3743
3048
3824
3814
3812
3036
3748
3110
3766
3860
3813
3845
3773
3588
3886
3841
3867
3839
3868
3848
3262
3777
3467
3237
3837
3849
3034
3458
3862
3842
3870
3846
3858
3833
3818
3878
3782
3242
3602
3608
3609
3456
3278
3037
3244
3581
3852
3816
3280
3045
3584
3076
3770
3894
3872
3449
3257
3281
3452
3592
3853
3254
3047
3450
3447
3440
3261
3740
3582
3771
3235
3216
3887
3835
3086
3745
3781
3042
3838
3077
3224
3227
3229
3448
3243
3240
3307
3304
3809
3855
3241
3287
3861
3580
3603
3585
3234
3445
3810
3455
3461
3255
3233
3590
3285
3223
3258
SPs and Telephone companies in Area Code 270
Brooks Fiber Communications Of New Hampshire - Nh
Choice One Communications Of New Hampshire, Inc.
Crc Communications Of Maine, Inc. - Nh
Comcast Phone Of New Hampshire, Llc - Nh
Bell Atlantic Nynex Mobile
Level 3 Communications - Nh
Conversent Communications Of New Hampshire, Llc
Freedom Ring Communications, Llc
Lightship Telecom, Llc - Nh
No New England Tel Op Dba Fairpoint Comm - Nh
Paetec Communications, Inc. - Nh
United States Cellular Corp. - New Hampshire
Bandwidth.com Clec, Llc - Nh
Sprint Spectrum L.p.
Otel Telekom, Inc. - Nh
Enhanced Communications Of Northern New England-nh
Idt America Corp - Nh
Northland Telephone Of Maine, Inc.
Dunbarton Telephone Company
At&t Local
New Cingular Wireless Pcs, Llc - Dc
Kearsarge Telephone Co.
Merrimack County Telephone Co.
Airus, Inc. - Nh
Merrimack Co. Telephone Co., Dba Contoocook Valley
Ctc Communications Corp. - Nh
Wilton Telephone Co.
Securesyscom, Inc. - Nh
Granite State Telephone, Inc.
Omnipoint Miami E License, Llc
Dsci, Llc
Neutral Tandem-new Hampshire, Llc - Nh
Teleport Communications America, Llc - Nh
Centurylink Communications Llc
Metro Pcs, Inc.
Union Telephone Co. - Nh
National Mobile Communications Corporation - Vt
Time Warner Cable Information Svcs (new Hampshire)