Postal reference / United States

03046Dunbarton, New Hampshire

ZIP code 03046 is a United States postal code for Dunbarton, New Hampshire. Its county association is Merrimack County. The map reference point is at 43.1025, -71.6169.

State / territory
New Hampshire
Recorded place name
Dunbarton
County association
Merrimack
Estimated coordinate
43.1025, -71.6169
View on OpenStreetMap
ZIP prefix
030 · 38 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
30.863 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
03304BowNHMerrimack4.4
03281WeareNHHillsborough4.9
03045GoffstownNHHillsborough6.2
03229ContoocookNHMerrimack7.7
03106HooksettNHMerrimack9.2
03305ConcordNHMerrimack9.2
03301ConcordNHMerrimack9.2
03070New BostonNHHillsborough9.7

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

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