In which county is ZIP code 03242 located?

ZIP 03242 is listed under Merrimack County, NH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 03242: Henniker, NH

ZIP: 03242

County: Merrimack County

Coordinates: 43.17910, -71.81590

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 03242, serving Henniker in NH. It lies in Merrimack County and supports delivery, planning, and address verification.

Primary City	Henniker
ZIP Code	03242
County	Merrimack County
State	NH
Latitude / Longitude	43.17910, -71.81590
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 03242 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 03242 is commonly represented around 43.17910, -71.81590. These coordinates help identify the general area within Merrimack County, NH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 03242 for mail delivery and general location reference in Merrimack County, NH.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Henniker within NH.

Frequently Asked Questions

What is the primary city for ZIP code 03242?

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

In which county is 03242 located?

ZIP code 03242 is situated within Merrimack County, NH.

What are the coordinates for 03242?

The approximate center point is 43.17910 (Latitude) and -71.81590 (Longitude).

Is ZIP code 03242 active?

This page lists ZIP 03242 as Listed based on the latest refresh date shown above.

Does ZIP 03242 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