| Zip code | Name | Area Code(s) |
| 03561 Littleton (603) |
| 03570 Berlin (603) |
| 03574 Bethlehem (603) |
| 03575 Bretton Woods (603) |
| 03576 Colebrook (603) |
| 03576 Columbia (603) |
| 03576 Dixville (603) |
| 03576 Dixville Notch (603) |
| 03576 Stewartstown (603) |
| 03579 Errol (603) |
| 03579 Wentworths Location (603) |
| 03579 Wntwrths Lctn (603) |
| 03580 Easton (603) |
| 03580 Franconia (603) |
| 03581 Gorham (603) |
| 03581 Shelburne (603) |
| 03582 Groveton (603) |
| 03582 Northumberland (603) |
| 03582 Northumberlnd (603) |
| 03582 Stark (603) |
| 03583 Jefferson (603) |
| 03583 Northumberland (603) |
| 03584 Lancaster (603) |
| 03584 Northumberland (603) |
| 03585 Landaff (603) |
| 03585 Lisbon (603) |
| 03585 Lyman (603) |
| 03586 Sugar Hill (603) |
| 03588 Dummer (603) |
| 03588 Milan (603) |
| 03589 Mount Washington (603) |
| 03590 Columbia (603) |
| 03590 No Stratford (603) |
| 03590 North Stratford (603) |
| 03590 Stratford (603) |
| 03592 Clarksville (603) |
| 03592 Pittsburg (603) |
| 03593 Randolph (603) |
| 03595 Twin Mountain (603) |
| 03597 West Stewartstown (603) |
| 03597 West Stewartstwn (603) |
| 03598 Carroll (603) |
| 03598 Dalton (603) |
| 03598 Whitefield (603) |
| 03601 Acworth (603) |
| 03602 Alstead (603) |
| 03602 Alstead Center (603) |
| 03602 East Alstead (603) |
| 03602 Langdon (603) |
| 03603 Charlestown (603) |
| 03603 Unity (603) |
| 03604 Drewsville (603) |
| 03605 East Lempster (603) |
| 03605 Lempster (603) |
| 03607 So Acworth (603) |
| 03607 South Acworth (603) |
| 03608 Walpole (603) |
| 03609 No Walpole (603) |
| 03609 North Walpole (603) |
| 03740 Bath (603) |
| 03741 Canaan (603) |
| 03741 Orange (603) |
| 03743 Claremont (603) |
| 03743 Unity (603) |
| 03745 Cornish (603) |
| 03746 Cornish Flat (603) |
| 03748 Enfield (603) |
| 03749 Enfield Center (603) |
| 03750 Etna (603) |
| 03751 Georges Mills (603) |
| 03752 Goshen (603) |
| 03753 Grantham (603) |
| 03754 Guild (603) |
| 03755 Hanover (603) |
| 03756 Dartmouth Hitchcock Med Center (603) |
| 03756 Lebanon (603) |
| 03765 Haverhill (603) |
| 03766 Lebanon (603) |
| 03768 Lyme (603) |
| 03769 Lyme Center (603) |
| 03770 Meriden (603) |
| 03771 Monroe (603) |
| 03773 Croydon (603) |
| 03773 Newport (603) |
| 03773 Unity (603) |
| 03774 No Haverhill (603) |
| 03774 North Haverhill (603) |
| 03777 Orford (603) |
| 03779 Piermont (603) |
| 03780 Benton (603) |
| 03780 Pike (603) |
| 03781 Plainfield (603) |
| 03782 Sunapee (603) |
| 03784 West Lebanon (603) |
| 03785 Benton (603) |
| 03785 Easton (603) |
| 03785 Landaff (603) |
| 03785 Woodsville (603) |
| 03801 Newington (603) |
| 03801 Portsmouth (603) |
| 03802 Portsmouth (603) |
| 03803 Air National Guard (603) |
| 03803 Portsmouth (603) |
| 03804 Portsmouth (603) |
| 03805 Newington (603) |
| 03805 Portsmouth (603) |
| 03809 Alton (603) |
| 03810 Alton (603) |
| 03810 Alton Bay (603) |
| 03810 West Alton (603) |
| 03811 Atkinson (603) |
| 03812 Bartlett (603) |
| 03812 Harts Lctn (603) |
| 03812 Harts Location (603) |
| 03813 Center Conway (603) |
| 03813 Chatham (603) |
| 03813 North Chatham (603) |
| 03813 South Chatham (603) |
| 03814 Center Ossipee (603) |
| 03814 CTR Ossipee (603) |
| 03815 Center Strafford (603) |
| 03815 CTR Strafford (603) |
| 03816 Center Tuftonboro (603) |
| 03816 CTR Tuftnboro (603) |
| 03816 CTR Tuftonboro (603) |
| 03816 Tuftonboro (603) |
| 03817 Chocorua (603) |
| 03818 Albany (603) |
| 03818 Conway (603) |
| 03819 Danville (603) |
| 03819 So Danville (603) |
| 03819 South Danville (603) |
| 03820 Dover (603) |
| 03821 Dover (603) |
| 03822 Dover (603) |
| 03822 Liberty Mutual Insurance (603) |
| 03823 Madbury (603) |
| 03824 Durham (603) |
| 03824 Lee (603) |
| 03825 Barrington (603) |
| 03826 East Hampstead (603) |
| 03827 East Kingston (603) |
| 03827 So Hampton (603) |
| 03827 South Hampton (603) |
| 03830 East Wakefield (603) |
| 03830 Wakefield (603) |
| 03832 Eaton (603) |
| 03832 Eaton Center (603) |
| 03833 Brentwood (603) |
| 03833 Exeter (603) |
| 03833 Kensington (603) |
| 03835 Farmington (603) |
| 03836 Freedom (603) |
| 03837 Gilmanton Iron Works (603) |
| 03837 Gilmanton Iw (603) |
| 03838 Glen (603) |
| 03839 Gonic (603) |
| 03839 Rochester (603) |
| 03840 Greenland (603) |
| 03841 Hampstead (603) |
| 03842 Hampton (603) |
| 03842 Hampton Beach (603) |
| 03843 Hampton (603) |
| 03843 Hampton Beach (603) |
| 03844 Hampton Falls (603) |
| 03845 Intervale (603) |
| 03846 Jackson (603) |
| 03847 Kearsarge (603) |
| 03848 Kingston (603) |
| 03849 Madison (603) |
| 03850 Melvin Village (603) |
| 03850 Tuftonboro (603) |
| 03851 Milton (603) |
| 03852 Milton (603) |
| 03852 Milton Mills (603) |
| 03853 Mirror Lake (603) |
| 03853 Tuftonboro (603) |
| 03854 New Castle (603) |
| 03854 Newcastle (603) |
| 03855 New Durham (603) |
| 03856 Newfields (603) |
| 03857 Newmarket (603) |
| 03858 Newton (603) |
| 03859 Newton Jct (603) |
| 03859 Newton Junction (603) |
| 03860 Hales Lctn (603) |
| 03860 Hales Location (603) |
| 03860 No Conway (603) |
| 03860 North Conway (603) |
| 03861 Durham (603) |
| 03861 Lee (603) |
| 03862 No Hampton (603) |
| 03862 North Hampton (603) |
| 03864 Ossipee (603) |
| 03865 Plaistow (603) |
| 03866 Rochester (603) |
| 03867 Rochester (603) |
| 03868 East Rochester (603) |
| 03868 Rochester (603) |
| 03869 Rollinsford (603) |
| 03870 Rye (603) |
| 03871 Rye Beach (603) |
| 03872 Brookfield (603) |
| 03872 Sanbornville (603) |
| 03872 Wakefield (603) |
| 03873 Sandown (603) |
| 03874 Seabrook (603) |
| 03875 Madison (603) |
| 03875 Silver Lake (603) |
| 03878 Somersworth (603) |
| 03882 Effingham (603) |
| 03882 So Effingham (603) |
| 03882 South Effingham (603) |
| 03883 So Tamworth (603) |
| 03883 South Tamworth (603) |
| 03884 Strafford (603) |
| 03885 Stratham (603) |
| 03886 Tamworth (603) |
| 03887 Middleton (603) |
| 03887 Union (603) |
| 03887 Wakefield (603) |
| 03890 West Ossipee (603) |
| 03894 Brookfield (603) |
| 03894 Tuftonboro (603) |
| 03894 Wolfeboro (603) |
| 03896 Wolfeboro Falls (603) |
| 03897 Wonalancet (603) |