In which county is ZIP code 03771 located?

ZIP 03771 is listed under Grafton County, NH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 03771: Monroe, NH

ZIP: 03771

County: Grafton County

Coordinates: 44.27340, -72.02500

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 03771 in Monroe, NH. We include verified county details for Grafton County plus key geographic references used for mapping and logistics.

Primary City	Monroe
ZIP Code	03771
County	Grafton County
State	NH
Latitude / Longitude	44.27340, -72.02500
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 03771 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 03771 is approximately 44.27340 (latitude) and -72.02500 (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 03771 for mail delivery and general location reference in Grafton County, NH.

This ZIP may extend beyond the city core into nearby communities within Grafton County.

Related ZIP Codes (Nearby)

Explore other postal codes near Monroe within NH.

Frequently Asked Questions

What is the primary city for ZIP code 03771?

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

In which county is 03771 located?

ZIP code 03771 is situated within Grafton County, NH.

What are the coordinates for 03771?

The approximate center point is 44.27340 (Latitude) and -72.02500 (Longitude).

Is ZIP code 03771 active?

This page lists ZIP 03771 as Listed based on the latest refresh date shown above.

Does ZIP 03771 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