In which county is ZIP code 03440 located?

ZIP 03440 is listed under Hillsborough, NH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 03440: Antrim, NH

ZIP: 03440

County: Hillsborough

Coordinates: 43.05950, -71.93870

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 03440, serving Antrim in NH. It lies in Hillsborough and supports delivery, planning, and address verification.

Primary City	Antrim
ZIP Code	03440
County	Hillsborough
State	NH
Latitude / Longitude	43.05950, -71.93870
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 03440 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 03440 is approximately 43.05950 (latitude) and -71.93870 (longitude). This location sits within Hillsborough, contributing to regional planning across NH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 03440 for mail delivery and general location reference in Hillsborough, NH.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Antrim within NH.

Frequently Asked Questions

What is the primary city for ZIP code 03440?

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

In which county is 03440 located?

ZIP code 03440 is situated within Hillsborough, NH.

What are the coordinates for 03440?

The approximate center point is 43.05950 (Latitude) and -71.93870 (Longitude).

Is ZIP code 03440 active?

This page lists ZIP 03440 as Listed based on the latest refresh date shown above.

Does ZIP 03440 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