Postal reference / United States

03588Milan, New Hampshire

ZIP code 03588 is a United States postal code for Milan, New Hampshire. Its county association is Coos County. The map reference point is at 44.587, -71.181.

State / territory
New Hampshire
Recorded place name
Milan
County association
Coos
Estimated coordinate
44.587, -71.181
View on OpenStreetMap
ZIP prefix
035 · 21 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.

Area

Land area
111.671 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
03570BerlinNHCoos7.3
04261NewryMEOxford10.9
03589Mount WashingtonNHCoos12.6
03597West StewartstownNHCoos12.6
03581GorhamNHCoos12.7
03579ErrolNHCoos14.9
03593RandolphNHCoos15.4
03582GrovetonNHCoos16.0

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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