Postal reference / United States

03804Portsmouth, New Hampshire

ZIP code 03804 is a United States postal code for Portsmouth, New Hampshire. Its county association is Rockingham County. The map reference point is at 43.0718, -70.7626.

State / territory
New Hampshire
Recorded place name
Portsmouth
County association
Rockingham
Estimated coordinate
43.0718, -70.7626
View on OpenStreetMap
ZIP prefix
038 · 77 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

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Other ZIP codes in Portsmouth, NH

Portsmouth has 4 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
03802PortsmouthNHRockingham0.0
03803PortsmouthNHRockingham0.0
03904KitteryMEYork1.7
03801PortsmouthNHRockingham2.2
03854New CastleNHRockingham2.2
03905Kittery PointMEYork3.1
03903EliotMEYork4.2
03870RyeNHRockingham4.3

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