Postal reference / United States

03740Bath, New Hampshire

ZIP code 03740 is a United States postal code for Bath, New Hampshire. Its county association is Grafton County. The map reference point is at 44.1808, -71.9828.

State / territory
New Hampshire
Recorded place name
Bath
County association
Grafton
Estimated coordinate
44.1808, -71.9828
View on OpenStreetMap
ZIP prefix
037 · 29 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
37.192 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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Browse the other 280 ZIP codes recorded for New Hampshire, sorted by code with place and county.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
03785WoodsvilleNHGrafton3.3
05081Wells RiverVTOrange4.0
03585LisbonNHGrafton4.9
03774North HaverhillNHGrafton6.0
05069South RyegateVTCaledonia6.4
05042East RyegateVTCaledonia6.6
03771MonroeNHGrafton6.7
03586Sugar HillNHGrafton9.6

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

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