In which county is ZIP code 03237 located?

ZIP 03237 is listed under Belknap County, NH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 03237: Gilmanton, NH

ZIP: 03237

County: Belknap County

Coordinates: 43.41750, -71.41210

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 03237, serving Gilmanton in NH. It lies in Belknap County and supports delivery, planning, and address verification.

Primary City	Gilmanton
ZIP Code	03237
County	Belknap County
State	NH
Latitude / Longitude	43.41750, -71.41210
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 03237 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 03237 are listed as 43.41750 / -71.41210, useful for GPS and service checks in and around Gilmanton, NH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 03237 for mail delivery and general location reference in Belknap County, NH.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Gilmanton.

Related ZIP Codes (Nearby)

Explore other postal codes near Gilmanton within NH.

Frequently Asked Questions

What is the primary city for ZIP code 03237?

The primary city for this ZIP code is Gilmanton, located in NH.

In which county is 03237 located?

ZIP code 03237 is situated within Belknap County, NH.

What are the coordinates for 03237?

The approximate center point is 43.41750 (Latitude) and -71.41210 (Longitude).

Is ZIP code 03237 active?

This page lists ZIP 03237 as Listed based on the latest refresh date shown above.

Does ZIP 03237 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08