Updated Zip Codes for the State of New Hampshire
| Zip Code | County | City |
| 3031 | Hillsborough | Amherst |
| 3032 | Rockingham | Auburn |
| 3033 | Hillsborough | Brookline |
| 3034 | Rockingham | Candia |
| 3036 | Rockingham | Chester |
| 3037 | Rockingham | Deerfield |
| 3038 | Rockingham | Derry |
| 3040 | Rockingham | East Candia |
| 3041 | Rockingham | East Derry |
| 3042 | Rockingham | Epping |
| 3043 | Hillsborough | Francestown |
| 3044 | Rockingham | Fremont |
| 3045 | Hillsborough | Goffstown |
| 3046 | Merrimack | Dunbarton |
| 3047 | Hillsborough | Greenfield |
| 3048 | Hillsborough | Greenville |
| 3049 | Hillsborough | Hollis |
| 3051 | Hillsborough | Hudson |
| 3052 | Hillsborough | Litchfield |
| 3053 | Rockingham | Londonderry |
| 3054 | Hillsborough | Merrimack |
| 3055 | Hillsborough | Milford |
| 3057 | Hillsborough | Mont Vernon |
| 3060 | Hillsborough | Nashua |
| 3061 | Hillsborough | Nashua |
| 3062 | Hillsborough | Nashua |
| 3063 | Hillsborough | Nashua |
| 3064 | Hillsborough | Nashua |
| 3070 | Hillsborough | New Boston |
| 3071 | Hillsborough | New Ipswich |
| 3073 | Rockingham | North Salem |
| 3076 | Hillsborough | Pelham |
| 3077 | Rockingham | Raymond |
| 3079 | Rockingham | Salem |
| 3082 | Hillsborough | Lyndeborough |
| 3084 | Hillsborough | Temple |
| 3086 | Hillsborough | Wilton |
| 3087 | Rockingham | Windham |
| 3101 | Hillsborough | Manchester |
| 3102 | Hillsborough | Manchester |
| 3103 | Hillsborough | Manchester |
| 3104 | Hillsborough | Manchester |
| 3105 | Hillsborough | Manchester |
| 3106 | Merrimack | Hooksett |
| 3107 | Hillsborough | Manchester |
| 3108 | Hillsborough | Manchester |
| 3109 | Hillsborough | Manchester |
| 3110 | Hillsborough | Bedford |
| 3111 | Hillsborough | Manchester |
| 3215 | Grafton | Waterville Valley |
| 3216 | Merrimack | Andover |
| 3217 | Grafton | Ashland |
| 3218 | Belknap | Barnstead |
| 3220 | Belknap | Belmont |
| 3221 | Merrimack | Bradford |
| 3222 | Grafton | Bristol |
| 3223 | Grafton | Campton |
| 3224 | Merrimack | Canterbury |
| 3225 | Belknap | Center Barnstead |
| 3226 | Belknap | Center Harbor |
| 3227 | Carroll | Center Sandwich |
| 3229 | Merrimack | Contoocook |
| 3230 | Merrimack | Danbury |
| 3231 | Merrimack | East Andover |
| 3233 | Merrimack | Elkins |
| 3234 | Merrimack | Epsom |
| 3235 | Merrimack | Franklin |
| 3237 | Belknap | Gilmanton |
| 3238 | Grafton | Glencliff |
| 3240 | Grafton | Grafton |
| 3241 | Grafton | Hebron |
| 3242 | Merrimack | Henniker |
| 3243 | Merrimack | Hill |
| 3244 | Hillsborough | Hillsborough |
| 3245 | Grafton | Holderness |
| 3246 | Belknap | Laconia |
| 3247 | Belknap | Laconia |
| 3249 | Belknap | Gilford |
| 3251 | Grafton | Lincoln |
| 3252 | Belknap | Lochmere |
| 3253 | Belknap | Meredith |
| 3254 | Carroll | Moultonborough |
| 3255 | Merrimack | Newbury |
| 3256 | Belknap | New Hampton |
| 3257 | Merrimack | New London |
| 3258 | Merrimack | Chichester |
| 3259 | Carroll | North Sandwich |
| 3260 | Merrimack | North Sutton |
| 3261 | Rockingham | Northwood |
| 3262 | Grafton | North Woodstock |
| 3263 | Merrimack | Pittsfield |
| 3264 | Grafton | Plymouth |
| 3266 | Grafton | Rumney |
| 3268 | Merrimack | Salisbury |
| 3269 | Belknap | Sanbornton |
| 3272 | Merrimack | South Newbury |
| 3273 | Merrimack | South Sutton |
| 3274 | Grafton | Stinson Lake |
| 3275 | Merrimack | Suncook |
| 3276 | Belknap | Tilton |
| 3278 | Merrimack | Warner |
| 3279 | Grafton | Warren |
| 3280 | Sullivan | Washington |
| 3281 | Hillsborough | Weare |
| 3282 | Grafton | Wentworth |
| 3284 | Sullivan | Springfield |
| 3287 | Merrimack | Wilmot |
| 3289 | Belknap | Winnisquam |
| 3290 | Rockingham | Nottingham |
| 3291 | Rockingham | West Nottingham |
| 3293 | Grafton | Woodstock |
| 3298 | Belknap | Tilton |
| 3299 | Belknap | Tilton |
| 3301 | Merrimack | Concord |
| 3302 | Merrimack | Concord |
| 3303 | Merrimack | Concord |
| 3304 | Merrimack | Bow |
| 3305 | Merrimack | Concord |
| 3307 | Merrimack | Loudon |
| 3431 | Cheshire | Keene |
| 3435 | Cheshire | Keene |
| 3440 | Hillsborough | Antrim |
| 3441 | Cheshire | Ashuelot |
| 3442 | Hillsborough | Bennington |
| 3443 | Cheshire | Chesterfield |
| 3444 | Cheshire | Dublin |
| 3445 | Cheshire | Sullivan |
| 3446 | Cheshire | Swanzey |
| 3447 | Cheshire | Fitzwilliam |
| 3448 | Cheshire | Gilsum |
| 3449 | Hillsborough | Hancock |
| 3450 | Cheshire | Harrisville |
| 3451 | Cheshire | Hinsdale |
| 3452 | Cheshire | Jaffrey |
| 3455 | Cheshire | Marlborough |
| 3456 | Cheshire | Marlow |
| 3457 | Cheshire | Nelson |
| 3458 | Hillsborough | Peterborough |
| 3461 | Cheshire | Rindge |
| 3462 | Cheshire | Spofford |
| 3464 | Cheshire | Stoddard |
| 3465 | Cheshire | Troy |
| 3466 | Cheshire | West Chesterfield |
| 3467 | Cheshire | Westmoreland |
| 3468 | Hillsborough | West Peterborough |
| 3469 | Cheshire | West Swanzey |
| 3470 | Cheshire | Winchester |
| 3561 | Grafton | Littleton |
| 3570 | Coos | Berlin |
| 3574 | Grafton | Bethlehem |
| 3575 | Coos | Bretton Woods |
| 3576 | Coos | Colebrook |
| 3579 | Coos | Errol |
| 3580 | Grafton | Franconia |
| 3581 | Coos | Gorham |
| 3582 | Coos | Groveton |
| 3582 | Coos | Northumberland |
| 3583 | Coos | Jefferson |
| 3584 | Coos | Lancaster |
| 3585 | Grafton | Lisbon |
| 3586 | Grafton | Sugar Hill |
| 3588 | Coos | Milan |
| 3589 | Coos | Mount Washington |
| 3590 | Coos | North Stratford |
| 3592 | Coos | Pittsburg |
| 3593 | Coos | Randolph |
| 3595 | Coos | Twin Mountain |
| 3597 | Coos | West Stewartstown |
| 3598 | Coos | Whitefield |
| 3601 | Sullivan | Acworth |
| 3602 | Cheshire | Alstead |
| 3603 | Sullivan | Charlestown |
| 3604 | Cheshire | Drewsville |
| 3605 | Sullivan | Lempster |
| 3607 | Sullivan | South Acworth |
| 3608 | Cheshire | Walpole |
| 3609 | Cheshire | North Walpole |
| 3740 | Grafton | Bath |
| 3741 | Grafton | Canaan |
| 3743 | Sullivan | Claremont |
| 3745 | Sullivan | Cornish |
| 3746 | Sullivan | Cornish Flat |
| 3748 | Grafton | Enfield |
| 3749 | Grafton | Enfield Center |
| 3750 | Grafton | Etna |
| 3751 | Sullivan | Georges Mills |
| 3752 | Sullivan | Goshen |
| 3753 | Sullivan | Grantham |
| 3754 | Sullivan | Guild |
| 3755 | Grafton | Hanover |
| 3756 | Grafton | Lebanon |
| 3765 | Grafton | Haverhill |
| 3766 | Grafton | Lebanon |
| 3768 | Grafton | Lyme |
| 3769 | Grafton | Lyme Center |
| 3770 | Sullivan | Meriden |
| 3771 | Grafton | Monroe |
| 3773 | Sullivan | Newport |
| 3774 | Grafton | North Haverhill |
| 3777 | Grafton | Orford |
| 3779 | Grafton | Piermont |
| 3780 | Grafton | Pike |
| 3781 | Sullivan | Plainfield |
| 3782 | Sullivan | Sunapee |
| 3784 | Grafton | West Lebanon |
| 3785 | Grafton | Woodsville |
| 3801 | Rockingham | Portsmouth |
| 3802 | Rockingham | Portsmouth |
| 3803 | Rockingham | Portsmouth |
| 3804 | Rockingham | Portsmouth |
| 3805 | Strafford | Newington |
| 3809 | Belknap | Alton |
| 3810 | Belknap | Alton Bay |
| 3811 | Rockingham | Atkinson |
| 3812 | Carroll | Bartlett |
| 3813 | Carroll | Center Conway |
| 3814 | Carroll | Center Ossipee |
| 3815 | Strafford | Center Strafford |
| 3816 | Carroll | Center Tuftonboro |
| 3817 | Carroll | Chocorua |
| 3818 | Carroll | Conway |
| 3819 | Rockingham | Danville |
| 3820 | Strafford | Dover |
| 3821 | Strafford | Dover |
| 3822 | Strafford | Dover |
| 3823 | Strafford | Madbury |
| 3824 | Strafford | Durham |
| 3825 | Strafford | Barrington |
| 3826 | Rockingham | East Hampstead |
| 3827 | Rockingham | East Kingston |
| 3830 | Carroll | East Wakefield |
| 3832 | Carroll | Eaton Center |
| 3833 | Rockingham | Exeter |
| 3835 | Strafford | Farmington |
| 3836 | Carroll | Freedom |
| 3837 | Belknap | Gilmanton Iron Works |
| 3838 | Carroll | Glen |
| 3839 | Strafford | Rochester |
| 3840 | Rockingham | Greenland |
| 3841 | Rockingham | Hampstead |
| 3842 | Rockingham | Hampton |
| 3843 | Rockingham | Hampton |
| 3844 | Rockingham | Hampton Falls |
| 3845 | Carroll | Intervale |
| 3846 | Carroll | Jackson |
| 3847 | Carroll | Kearsarge |
| 3848 | Rockingham | Kingston |
| 3849 | Carroll | Madison |
| 3850 | Carroll | Melvin Village |
| 3851 | Strafford | Milton |
| 3852 | Strafford | Milton Mills |
| 3853 | Carroll | Mirror Lake |
| 3854 | Rockingham | New Castle |
| 3855 | Strafford | New Durham |
| 3856 | Rockingham | Newfields |
| 3857 | Rockingham | Newmarket |
| 3858 | Rockingham | Newton |
| 3859 | Rockingham | Newton Junction |
| 3860 | Carroll | North Conway |
| 3862 | Rockingham | North Hampton |
| 3864 | Carroll | Ossipee |
| 3865 | Rockingham | Plaistow |
| 3866 | Strafford | Rochester |
| 3867 | Strafford | Rochester |
| 3868 | Strafford | Rochester |
| 3869 | Strafford | Rollinsford |
| 3870 | Rockingham | Rye |
| 3871 | Rockingham | Rye Beach |
| 3872 | Carroll | Sanbornville |
| 3873 | Rockingham | Sandown |
| 3874 | Rockingham | Seabrook |
| 3875 | Carroll | Silver Lake |
| 3878 | Strafford | Somersworth |
| 3882 | Carroll | Effingham |
| 3883 | Carroll | South Tamworth |
| 3884 | Strafford | Strafford |
| 3885 | Rockingham | Stratham |
| 3886 | Carroll | Tamworth |
| 3887 | Carroll | Union |
| 3890 | Carroll | West Ossipee |
| 3894 | Carroll | Wolfeboro |
| 3896 | Carroll | Wolfeboro Falls |
| 3897 | Carroll | Wonalancet |
