ZIP code · Mont Vernon · New Hampshire · United States
ZIP code 03057 — Mont Vernon
ZIP code 03057 serves Mont Vernon, New Hampshire.
- Postal code
- 03057Single source Value from one source, not cross-checked.
- City
- Mont Vernon
- County
- Hillsborough
- State
- New Hampshire
- Country
- United States
- Coordinates
- 42.8976, -71.6762 — precision precise (locality)
View on OpenStreetMap - Population
- 2,630 (ZCTA, ACS 5-year)
- Median household income
- $160,250
- Median age
- 43.9
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Nearby localities
About this page
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 · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page