| Primary City | Portsmouth | |
| Population | 20,779 | |
| State | New Hampshire | |
| County | Rockingham County | |
| Current Time | ||
| Zip Codes | 3801-3804 | |
| Area Codes | 603 |
Neighbouring Zip Codes
ZIP Code: 03811
Atkinson, New Hampshire
ZIP Code: 03032
Auburn, New Hampshire
ZIP Code: 03825
Barrington, New Hampshire
ZIP Code: 03036
Chester, New Hampshire
ZIP Code: 03820
Dover, New Hampshire
ZIP Code: 03821
Dover, New Hampshire
ZIP Code: 03824
Durham, New Hampshire
ZIP Code: 03833
Exeter, New Hampshire
ZIP Code: 03841
Hampstead, New Hampshire
ZIP Code: 03842
Hampton, New Hampshire
ZIP Code: 03843
Hampton, New Hampshire
ZIP Code: 03848
Kingston, New Hampshire
ZIP Code: 03857
Newmarket, New Hampshire
ZIP Code: 03865
Plaistow, New Hampshire
ZIP Code: 03870
Rye, New Hampshire
ZIP Code: 03873
Sandown, New Hampshire
ZIP Code: 03874
Seabrook, New Hampshire
ZIP Code: 03885
Stratham, New Hampshire