In which county is ZIP code 03770 located?

ZIP 03770 is listed under Sullivan, NH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 03770: Meriden, NH

ZIP: 03770

County: Sullivan

Coordinates: 43.52990, -72.27560

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Meriden, NH postal area 03770. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Meriden
ZIP Code	03770
County	Sullivan
State	NH
Latitude / Longitude	43.52990, -72.27560
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 03770 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 03770 is commonly represented around 43.52990, -72.27560. These coordinates help identify the general area within Sullivan, NH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 03770 for mail delivery and general location reference in Sullivan, NH.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Meriden within NH.

Frequently Asked Questions

What is the primary city for ZIP code 03770?

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

In which county is 03770 located?

ZIP code 03770 is situated within Sullivan, NH.

What are the coordinates for 03770?

The approximate center point is 43.52990 (Latitude) and -72.27560 (Longitude).

Is ZIP code 03770 active?

This page lists ZIP 03770 as Listed based on the latest refresh date shown above.

Does ZIP 03770 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