In which county is ZIP code 03750 located?

ZIP 03750 is listed under Grafton County, NH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 03750: Etna, NH

ZIP: 03750

County: Grafton County

Coordinates: 43.71130, -72.21250

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Etna, NH postal area 03750. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Etna
ZIP Code	03750
County	Grafton County
State	NH
Latitude / Longitude	43.71130, -72.21250
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 03750 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 03750 is approximately 43.71130 (latitude) and -72.21250 (longitude). This location sits within Grafton County, contributing to regional planning across NH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 03750 for mail delivery and general location reference in Grafton County, NH.

Some addresses near Etna may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Etna within NH.

Frequently Asked Questions

What is the primary city for ZIP code 03750?

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

In which county is 03750 located?

ZIP code 03750 is situated within Grafton County, NH.

What are the coordinates for 03750?

The approximate center point is 43.71130 (Latitude) and -72.21250 (Longitude).

Is ZIP code 03750 active?

This page lists ZIP 03750 as Listed based on the latest refresh date shown above.

Does ZIP 03750 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