To faciltiate users, the United States of America is divided into regions known as Area Codes, corresponding to particular geographic telephone dialing areas.
An area code denotes the regional location of a phone number within the United States.
The Area Code table below shows an area codes each.
Area Code 603 listing, by city
@The cities listed with each area code are the major cities for that area code;
| City / State | Area code | Zip Code | County | Iso | |
|---|---|---|---|---|---|
| Acworth (New Hampshire) | 603 | 03601 | Sullivan | US-NH | |
| Alstead (New Hampshire) | 603 | 03602 | Cheshire | US-NH | |
| Alton (New Hampshire) | 603 | 03809 | Belknap | US-NH | |
| Alton Bay (New Hampshire) | 603 | 03810 | Belknap | US-NH | |
| Amherst (New Hampshire) | 603 | 03031 | Hillsborough | US-NH | |
| Andover (New Hampshire) | 603 | 03216 | Merrimack | US-NH | |
| Antrim (New Hampshire) | 603 | 03440 | Hillsborough | US-NH | |
| Ashland (New Hampshire) | 603 | 03217 | Grafton | US-NH | |
| Ashuelot (New Hampshire) | 603 | 03441 | Cheshire | US-NH | |
| Atkinson (New Hampshire) | 603 | 03811 | Rockingham | US-NH | |
| Auburn (New Hampshire) | 603 | 03032 | Rockingham | US-NH | |
| Barnstead (New Hampshire) | 603 | 03218 | Belknap | US-NH | |
| Barrington (New Hampshire) | 603 | 03825 | Strafford | US-NH | |
| Bartlett (New Hampshire) | 603 | 03812 | Carroll | US-NH | |
| Bath (New Hampshire) | 603 | 03740 | Grafton | US-NH | |
| Bedford (New Hampshire) | 603 | 03110 | Hillsborough | US-NH | |
| Belmont (New Hampshire) | 603 | 03220 | Belknap | US-NH | |
| Bennington (New Hampshire) | 603 | 03442 | Hillsborough | US-NH | |
| Berlin (New Hampshire) | 603 | 03570 | Coos | US-NH | |
| Bethlehem (New Hampshire) | 603 | 03574 | Grafton | US-NH | |
| Bow (New Hampshire) | 603 | 03304 | Merrimack | US-NH | |
| Bradford (New Hampshire) | 603 | 03221 | Merrimack | US-NH | |
| Bretton Woods (New Hampshire) | 603 | 03575 | Coos | US-NH | |
| Bristol (New Hampshire) | 603 | 03222 | Grafton | US-NH | |
| Brookline (New Hampshire) | 603 | 03033 | Hillsborough | US-NH | |
| Campton (New Hampshire) | 603 | 03223 | Grafton | US-NH | |
| Canaan (New Hampshire) | 603 | 03741 | Grafton | US-NH | |
| Candia (New Hampshire) | 603 | 03034 | Rockingham | US-NH | |
| Canterbury (New Hampshire) | 603 | 03224 | Merrimack | US-NH | |
| Center Barnstead (New Hampshire) | 603 | 03225 | Belknap | US-NH | |
| Center Conway (New Hampshire) | 603 | 03813 | Carroll | US-NH | |
| Center Harbor (New Hampshire) | 603 | 03226 | Belknap | US-NH | |
| Center Ossipee (New Hampshire) | 603 | 03814 | Carroll | US-NH | |
| Center Sandwich (New Hampshire) | 603 | 03227 | Carroll | US-NH | |
| Center Strafford (New Hampshire) | 603 | 03815 | Strafford | US-NH | |
| Center Tuftonboro (New Hampshire) | 603 | 03816 | Carroll | US-NH | |
| Charlestown (New Hampshire) | 603 | 03603 | Sullivan | US-NH | |
| Chatham (New Hampshire) | 603 | 03813 | Carroll | US-NH | |
| Chester (New Hampshire) | 603 | 03036 | Rockingham | US-NH | |
| Chesterfield (New Hampshire) | 603 | 03443 | Cheshire | US-NH | |
| Chichester (New Hampshire) | 603 | 03258 | Merrimack | US-NH | |
| Chocorua (New Hampshire) | 603 | 03817 | Carroll | US-NH | |
| Claremont (New Hampshire) | 603 | 03743 | Sullivan | US-NH | |
| Colebrook (New Hampshire) | 603 | 03576 | Coos | US-NH | |
| Concord (New Hampshire) | 603 | 03301 | Merrimack | US-NH | |
| Concord (New Hampshire) | 603 | 03302 | Merrimack | US-NH | |
| Concord (New Hampshire) | 603 | 03303 | Merrimack | US-NH | |
| Concord (New Hampshire) | 603 | 03305 | Merrimack | US-NH | |
| Contoocook (New Hampshire) | 603 | 03229 | Merrimack | US-NH | |
| Conway (New Hampshire) | 603 | 03818 | Carroll | US-NH | |
| Cornish (New Hampshire) | 603 | 03745 | Sullivan | US-NH | |
| Cornish Flat (New Hampshire) | 603 | 03746 | Sullivan | US-NH | |
| Danbury (New Hampshire) | 603 | 03230 | Merrimack | US-NH | |
| Danville (New Hampshire) | 603 | 03819 | Rockingham | US-NH | |
| Deerfield (New Hampshire) | 603 | 03037 | Rockingham | US-NH | |
| Derry (New Hampshire) | 603 | 03038 | Rockingham | US-NH | |
| Dover (New Hampshire) | 603 | 03820 | Strafford | US-NH | |
| Dover (New Hampshire) | 603 | 03821 | Strafford | US-NH | |
| Dover (New Hampshire) | 603 | 03822 | Strafford | US-NH | |
| Drewsville (New Hampshire) | 603 | 03604 | Cheshire | US-NH | |
| Dublin (New Hampshire) | 603 | 03444 | Cheshire | US-NH | |
| Dunbarton (New Hampshire) | 603 | 03046 | Merrimack | US-NH | |
| Durham (New Hampshire) | 603 | 03824 | Strafford | US-NH | |
| East Andover (New Hampshire) | 603 | 03231 | Merrimack | US-NH | |
| East Candia (New Hampshire) | 603 | 03040 | Rockingham | US-NH | |
| East Derry (New Hampshire) | 603 | 03041 | Rockingham | US-NH | |
| East Hampstead (New Hampshire) | 603 | 03826 | Rockingham | US-NH | |
| East Kingston (New Hampshire) | 603 | 03827 | Rockingham | US-NH | |
| East Wakefield (New Hampshire) | 603 | 03830 | Carroll | US-NH | |
| Eaton Center (New Hampshire) | 603 | 03832 | Carroll | US-NH | |
| Effingham (New Hampshire) | 603 | 03882 | Carroll | US-NH | |
| Elkins (New Hampshire) | 603 | 03233 | Merrimack | US-NH | |
| Enfield (New Hampshire) | 603 | 03748 | Grafton | US-NH | |
| Enfield Center (New Hampshire) | 603 | 03749 | Grafton | US-NH | |
| Epping (New Hampshire) | 603 | 03042 | Rockingham | US-NH | |
| Epsom (New Hampshire) | 603 | 03234 | Merrimack | US-NH | |
| Errol (New Hampshire) | 603 | 03579 | Coos | US-NH | |
| Etna (New Hampshire) | 603 | 03750 | Grafton | US-NH | |
| Exeter (New Hampshire) | 603 | 03833 | Rockingham | US-NH | |
| Farmington (New Hampshire) | 603 | 03835 | Strafford | US-NH | |
| Fitzwilliam (New Hampshire) | 603 | 03447 | Cheshire | US-NH | |
| Francestown (New Hampshire) | 603 | 03043 | Hillsborough | US-NH | |
| Franconia (New Hampshire) | 603 | 03580 | Grafton | US-NH | |
| Franklin (New Hampshire) | 603 | 03235 | Merrimack | US-NH | |
| Freedom (New Hampshire) | 603 | 03836 | Carroll | US-NH | |
| Fremont (New Hampshire) | 603 | 03044 | Rockingham | US-NH | |
| Georges Mills (New Hampshire) | 603 | 03751 | Sullivan | US-NH | |
| Gilford (New Hampshire) | 603 | 03249 | Belknap | US-NH | |
| Gilmanton (New Hampshire) | 603 | 03237 | Belknap | US-NH | |
| Gilmanton Iron Works (New Hampshire) | 603 | 03837 | Belknap | US-NH | |
| Gilsum (New Hampshire) | 603 | 03448 | Cheshire | US-NH | |
| Glen (New Hampshire) | 603 | 03838 | Carroll | US-NH | |
| Glencliff (New Hampshire) | 603 | 03238 | Grafton | US-NH | |
| Goffstown (New Hampshire) | 603 | 03045 | Hillsborough | US-NH | |
| Gorham (New Hampshire) | 603 | 03581 | Coos | US-NH | |
| Goshen (New Hampshire) | 603 | 03752 | Sullivan | US-NH | |
| Grafton (New Hampshire) | 603 | 03240 | Grafton | US-NH | |
| Grantham (New Hampshire) | 603 | 03753 | Sullivan | US-NH | |
| Greenfield (New Hampshire) | 603 | 03047 | Hillsborough | US-NH | |
| Greenland (New Hampshire) | 603 | 03840 | Rockingham | US-NH | |
| Greenville (New Hampshire) | 603 | 03048 | Hillsborough | US-NH | |
| Groveton (New Hampshire) | 603 | 03582 | Coos | US-NH | |
| Guild (New Hampshire) | 603 | 03754 | Sullivan | US-NH | |
| Hampstead (New Hampshire) | 603 | 03841 | Rockingham | US-NH | |
| Hampton (New Hampshire) | 603 | 03842 | Rockingham | US-NH | |
| Hampton (New Hampshire) | 603 | 03843 | Rockingham | US-NH | |
| Hampton Falls (New Hampshire) | 603 | 03844 | Rockingham | US-NH | |
| Hancock (New Hampshire) | 603 | 03449 | Hillsborough | US-NH | |
| Hanover (New Hampshire) | 603 | 03755 | Grafton | US-NH | |
| Harrisville (New Hampshire) | 603 | 03450 | Cheshire | US-NH | |
| Haverhill (New Hampshire) | 603 | 03765 | Grafton | US-NH | |
| Hebron (New Hampshire) | 603 | 03241 | Grafton | US-NH | |
| Henniker (New Hampshire) | 603 | 03242 | Merrimack | US-NH | |
| Hill (New Hampshire) | 603 | 03243 | Merrimack | US-NH | |
| Hillsborough (New Hampshire) | 603 | 03244 | Hillsborough | US-NH | |
| Hinsdale (New Hampshire) | 603 | 03451 | Cheshire | US-NH | |
| Holderness (New Hampshire) | 603 | 03245 | Grafton | US-NH | |
| Hollis (New Hampshire) | 603 | 03049 | Hillsborough | US-NH | |
| Hooksett (New Hampshire) | 603 | 03106 | Merrimack | US-NH | |
| Hudson (New Hampshire) | 603 | 03051 | Hillsborough | US-NH | |
| Intervale (New Hampshire) | 603 | 03845 | Carroll | US-NH | |
| Jackson (New Hampshire) | 603 | 03846 | Carroll | US-NH | |
| Jaffrey (New Hampshire) | 603 | 03452 | Cheshire | US-NH | |
| Jefferson (New Hampshire) | 603 | 03583 | Coos | US-NH | |
| Kearsarge (New Hampshire) | 603 | 03847 | Carroll | US-NH | |
| Keene (New Hampshire) | 603 | 03431 | Cheshire | US-NH | |
| Keene (New Hampshire) | 603 | 03435 | Cheshire | US-NH | |
| Kingston (New Hampshire) | 603 | 03848 | Rockingham | US-NH | |
| Laconia (New Hampshire) | 603 | 03246 | Belknap | US-NH | |
| Laconia (New Hampshire) | 603 | 03247 | Belknap | US-NH | |
| Lancaster (New Hampshire) | 603 | 03584 | Coos | US-NH | |
| Lebanon (Maine) | 603 | 04027 | York | US-ME | |
| Lebanon (Maine) | 603 | 04027 | York | US-ME | |
| Lebanon (New Hampshire) | 603 | 03756 | Grafton | US-NH | |
| Lebanon (New Hampshire) | 603 | 03766 | Grafton | US-NH | |
| Lee (New Hampshire) | 603 | 03861 | Strafford | US-NH | |
| Lempster (New Hampshire) | 603 | 03605 | Sullivan | US-NH | |
| Lincoln (New Hampshire) | 603 | 03251 | Grafton | US-NH | |
| Lisbon (New Hampshire) | 603 | 03585 | Grafton | US-NH | |
| Litchfield (New Hampshire) | 603 | 03052 | Hillsborough | US-NH | |
| Littleton (New Hampshire) | 603 | 03561 | Grafton | US-NH | |
| Lochmere (New Hampshire) | 603 | 03252 | Belknap | US-NH | |
| Londonderry (New Hampshire) | 603 | 03053 | Rockingham | US-NH | |
| Loudon (New Hampshire) | 603 | 03307 | Merrimack | US-NH | |
| Lyme (New Hampshire) | 603 | 03768 | Grafton | US-NH | |
| Lyme Center (New Hampshire) | 603 | 03769 | Grafton | US-NH | |
| Lyndeborough (New Hampshire) | 603 | 03082 | Hillsborough | US-NH | |
| Madbury (New Hampshire) | 603 | 03823 | Strafford | US-NH | |
| Madison (New Hampshire) | 603 | 03849 | Carroll | US-NH | |
| Manchester (New Hampshire) | 603 | 03101 | Hillsborough | US-NH | |
| Manchester (New Hampshire) | 603 | 03102 | Hillsborough | US-NH | |
| Manchester (New Hampshire) | 603 | 03103 | Hillsborough | US-NH | |
| Manchester (New Hampshire) | 603 | 03104 | Hillsborough | US-NH | |
| Manchester (New Hampshire) | 603 | 03105 | Hillsborough | US-NH | |
| Manchester (New Hampshire) | 603 | 03108 | Hillsborough | US-NH | |
| Manchester (New Hampshire) | 603 | 03109 | Hillsborough | US-NH | |
| Manchester (New Hampshire) | 603 | 03111 | Hillsborough | US-NH | |
| Marlborough (New Hampshire) | 603 | 03455 | Cheshire | US-NH | |
| Marlow (New Hampshire) | 603 | 03456 | Cheshire | US-NH | |
| Melvin Village (New Hampshire) | 603 | 03850 | Carroll | US-NH | |
| Meredith (New Hampshire) | 603 | 03253 | Belknap | US-NH | |
| Meriden (New Hampshire) | 603 | 03770 | Sullivan | US-NH | |
| Merrimack (New Hampshire) | 603 | 03054 | Hillsborough | US-NH | |
| Milan (New Hampshire) | 603 | 03588 | Coos | US-NH | |
| Milford (New Hampshire) | 603 | 03055 | Hillsborough | US-NH | |
| Milton (New Hampshire) | 603 | 03851 | Strafford | US-NH | |
| Milton Mills (New Hampshire) | 603 | 03852 | Strafford | US-NH | |
| Mirror Lake (New Hampshire) | 603 | 03853 | Carroll | US-NH | |
| Monroe (New Hampshire) | 603 | 03771 | Grafton | US-NH | |
| Mont Vernon (New Hampshire) | 603 | 03057 | Hillsborough | US-NH | |
| Moultonborough (New Hampshire) | 603 | 03254 | Carroll | US-NH | |
| Mount Washington (New Hampshire) | 603 | 03589 | Coos | US-NH | |
| Nashua (New Hampshire) | 603 | 03060 | Hillsborough | US-NH | |
| Nashua (New Hampshire) | 603 | 03061 | Hillsborough | US-NH | |
| Nashua (New Hampshire) | 603 | 03062 | Hillsborough | US-NH | |
| Nashua (New Hampshire) | 603 | 03063 | Hillsborough | US-NH | |
| Nashua (New Hampshire) | 603 | 03064 | Hillsborough | US-NH | |
| Nelson (New Hampshire) | 603 | 03457 | Cheshire | US-NH | |
| New Boston (New Hampshire) | 603 | 03070 | Hillsborough | US-NH | |
| New Castle (New Hampshire) | 603 | 03854 | Rockingham | US-NH | |
| New Durham (New Hampshire) | 603 | 03855 | Strafford | US-NH | |
| New Hampton (New Hampshire) | 603 | 03256 | Belknap | US-NH | |
| New Ipswich (New Hampshire) | 603 | 03071 | Hillsborough | US-NH | |
| New London (New Hampshire) | 603 | 03257 | Merrimack | US-NH | |
| Newbury (New Hampshire) | 603 | 03255 | Merrimack | US-NH | |
| Newfields (New Hampshire) | 603 | 03856 | Rockingham | US-NH | |
| Newmarket (New Hampshire) | 603 | 03857 | Rockingham | US-NH | |
| Newport (New Hampshire) | 603 | 03773 | Sullivan | US-NH | |
| Newton (New Hampshire) | 603 | 03858 | Rockingham | US-NH | |
| Newton Junction (New Hampshire) | 603 | 03859 | Rockingham | US-NH | |
| North Conway (New Hampshire) | 603 | 03860 | Carroll | US-NH | |
| North Hampton (New Hampshire) | 603 | 03862 | Rockingham | US-NH | |
| North Haverhill (New Hampshire) | 603 | 03774 | Grafton | US-NH | |
| North Salem (New Hampshire) | 603 | 03073 | Rockingham | US-NH | |
| North Sandwich (New Hampshire) | 603 | 03259 | Carroll | US-NH | |
| North Stratford (New Hampshire) | 603 | 03590 | Coos | US-NH | |
| North Sutton (New Hampshire) | 603 | 03260 | Merrimack | US-NH | |
| North Walpole (New Hampshire) | 603 | 03609 | Cheshire | US-NH | |
| North Woodstock (New Hampshire) | 603 | 03262 | Grafton | US-NH | |
| Northwood (New Hampshire) | 603 | 03261 | Rockingham | US-NH | |
| Nottingham (New Hampshire) | 603 | 03290 | Rockingham | US-NH | |
| Orford (New Hampshire) | 603 | 03777 | Grafton | US-NH | |
| Ossipee (New Hampshire) | 603 | 03864 | Carroll | US-NH | |
| Pelham (New Hampshire) | 603 | 03076 | Hillsborough | US-NH | |
| Peterborough (New Hampshire) | 603 | 03458 | Hillsborough | US-NH | |
| Piermont (New Hampshire) | 603 | 03779 | Grafton | US-NH | |
| Pike (New Hampshire) | 603 | 03780 | Grafton | US-NH | |
| Pittsburg (New Hampshire) | 603 | 03592 | Coos | US-NH | |
| Pittsfield (New Hampshire) | 603 | 03263 | Merrimack | US-NH | |
| Plainfield (New Hampshire) | 603 | 03781 | Sullivan | US-NH | |
| Plaistow (New Hampshire) | 603 | 03865 | Rockingham | US-NH | |
| Plymouth (New Hampshire) | 603 | 03264 | Grafton | US-NH | |
| Portsmouth (New Hampshire) | 603 | 03801 | Rockingham | US-NH | |
| Portsmouth (New Hampshire) | 603 | 03802 | Rockingham | US-NH | |
| Portsmouth (New Hampshire) | 603 | 03803 | Rockingham | US-NH | |
| Portsmouth (New Hampshire) | 603 | 03804 | Rockingham | US-NH | |
| Randolph (New Hampshire) | 603 | 03593 | Coos | US-NH | |
| Raymond (New Hampshire) | 603 | 03077 | Rockingham | US-NH | |
| Rindge (New Hampshire) | 603 | 03461 | Cheshire | US-NH | |
| Rochester (New Hampshire) | 603 | 03839 | Strafford | US-NH | |
| Rochester (New Hampshire) | 603 | 03866 | Strafford | US-NH | |
| Rochester (New Hampshire) | 603 | 03867 | Strafford | US-NH | |
| Rochester (New Hampshire) | 603 | 03868 | Strafford | US-NH | |
| Rollinsford (New Hampshire) | 603 | 03869 | Strafford | US-NH | |
| Rumney (New Hampshire) | 603 | 03266 | Grafton | US-NH | |
| Rye (New Hampshire) | 603 | 03870 | Rockingham | US-NH | |
| Rye Beach (New Hampshire) | 603 | 03871 | Rockingham | US-NH | |
| Salem (New Hampshire) | 603 | 03079 | Rockingham | US-NH | |
| Salisbury (New Hampshire) | 603 | 03268 | Merrimack | US-NH | |
| Sanbornton (New Hampshire) | 603 | 03269 | Belknap | US-NH | |
| Sanbornville (New Hampshire) | 603 | 03872 | Carroll | US-NH | |
| Sandown (New Hampshire) | 603 | 03873 | Rockingham | US-NH | |
| Seabrook (New Hampshire) | 603 | 03874 | Rockingham | US-NH | |
| Silver Lake (New Hampshire) | 603 | 03875 | Carroll | US-NH | |
| Somersworth (New Hampshire) | 603 | 03878 | Strafford | US-NH | |
| South Acworth (New Hampshire) | 603 | 03607 | Sullivan | US-NH | |
| South Hampton (New Hampshire) | 603 | 03827 | Rockingham | US-NH | |
| South Newbury (New Hampshire) | 603 | 03272 | Merrimack | US-NH | |
| South Sutton (New Hampshire) | 603 | 03273 | Merrimack | US-NH | |
| South Tamworth (New Hampshire) | 603 | 03883 | Carroll | US-NH | |
| Spofford (New Hampshire) | 603 | 03462 | Cheshire | US-NH | |
| Springfield (New Hampshire) | 603 | 03284 | Sullivan | US-NH | |
| Stoddard (New Hampshire) | 603 | 03464 | Cheshire | US-NH | |
| Strafford (New Hampshire) | 603 | 03884 | Strafford | US-NH | |
| Stratham (New Hampshire) | 603 | 03885 | Rockingham | US-NH | |
| Sugar Hill (New Hampshire) | 603 | 03586 | Grafton | US-NH | |
| Sullivan (New Hampshire) | 603 | 03445 | Cheshire | US-NH | |
| Sunapee (New Hampshire) | 603 | 03782 | Sullivan | US-NH | |
| Suncook (New Hampshire) | 603 | 03275 | Merrimack | US-NH | |
| Swanzey (New Hampshire) | 603 | 03446 | Cheshire | US-NH | |
| Tamworth (New Hampshire) | 603 | 03886 | Carroll | US-NH | |
| Temple (New Hampshire) | 603 | 03084 | Hillsborough | US-NH | |
| Thornton (New Hampshire) | 603 | 03285 | Grafton | US-NH | |
| Tilton (New Hampshire) | 603 | 03276 | Belknap | US-NH | |
| Tilton (New Hampshire) | 603 | 03298 | Belknap | US-NH | |
| Tilton (New Hampshire) | 603 | 03299 | Belknap | US-NH | |
| Troy (New Hampshire) | 603 | 03465 | Cheshire | US-NH | |
| Twin Mountain (New Hampshire) | 603 | 03595 | Coos | US-NH | |
| Union (New Hampshire) | 603 | 03887 | Carroll | US-NH | |
| Walpole (New Hampshire) | 603 | 03608 | Cheshire | US-NH | |
| Warner (New Hampshire) | 603 | 03278 | Merrimack | US-NH | |
| Warren (New Hampshire) | 603 | 03279 | Grafton | US-NH | |
| Washington (New Hampshire) | 603 | 03280 | Sullivan | US-NH | |
| Waterville Valley (New Hampshire) | 603 | 03215 | Grafton | US-NH | |
| Weare (New Hampshire) | 603 | 03281 | Hillsborough | US-NH | |
| Wentworth (New Hampshire) | 603 | 03282 | Grafton | US-NH | |
| West Chesterfield (New Hampshire) | 603 | 03466 | Cheshire | US-NH | |
| West Lebanon (New Hampshire) | 603 | 03784 | Grafton | US-NH | |
| West Nottingham (New Hampshire) | 603 | 03291 | Rockingham | US-NH | |
| West Ossipee (New Hampshire) | 603 | 03890 | Carroll | US-NH | |
| West Peterborough (New Hampshire) | 603 | 03468 | Hillsborough | US-NH | |
| West Stewartstown (New Hampshire) | 603 | 03597 | Coos | US-NH | |
| West Swanzey (New Hampshire) | 603 | 03469 | Cheshire | US-NH | |
| Westmoreland (New Hampshire) | 603 | 03467 | Cheshire | US-NH | |
| Whitefield (New Hampshire) | 603 | 03598 | Coos | US-NH | |
| Wilmot (New Hampshire) | 603 | 03287 | Merrimack | US-NH | |
| Wilton (New Hampshire) | 603 | 03086 | Hillsborough | US-NH | |
| Winchester (New Hampshire) | 603 | 03470 | Cheshire | US-NH | |
| Windham (New Hampshire) | 603 | 03087 | Rockingham | US-NH | |
| Winnisquam (New Hampshire) | 603 | 03289 | Belknap | US-NH | |
| Wolfeboro (New Hampshire) | 603 | 03894 | Carroll | US-NH | |
| Wolfeboro Falls (New Hampshire) | 603 | 03896 | Carroll | US-NH | |
| Wonalancet (New Hampshire) | 603 | 03897 | Carroll | US-NH | |
| Woodstock (New Hampshire) | 603 | 03293 | Grafton | US-NH | |
| Woodsville (New Hampshire) | 603 | 03785 | Grafton | US-NH |