City · New Hampshire · United States

Portsmouth, NH — ZIP codes

4 ZIP codes · Rockingham County

City: Portsmouth
County: Rockingham
State: New Hampshire
Country: United States
Postal codes: 03801038020380303804
Single source
Coordinates: 43.0729, -70.8052 View on OpenStreetMap

ZIP codes (4)

Postal code	Place name	Verification
03801	Portsmouth	Single source
03802	Portsmouth	Single source
03803	Portsmouth	Single source
03804	Portsmouth	Single source

Sources and verification

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Last generated : 2026-08-21. Report an error.