In which county is ZIP code 03584 located?

ZIP 03584 is listed under Coos County, NH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 03584: Lancaster, NH

ZIP: 03584

County: Coos County

Coordinates: 44.49210, -71.55910

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 03584 in Lancaster, NH. We include verified county details for Coos County plus key geographic references used for mapping and logistics.

Primary City	Lancaster
ZIP Code	03584
County	Coos County
State	NH
Latitude / Longitude	44.49210, -71.55910
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 03584 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 03584 is approximately 44.49210 (latitude) and -71.55910 (longitude). This location sits within Coos County, contributing to regional planning across NH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 03584 for mail delivery and general location reference in Coos County, NH.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Lancaster within NH.

Frequently Asked Questions

What is the primary city for ZIP code 03584?

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

In which county is 03584 located?

ZIP code 03584 is situated within Coos County, NH.

What are the coordinates for 03584?

The approximate center point is 44.49210 (Latitude) and -71.55910 (Longitude).

Is ZIP code 03584 active?

This page lists ZIP 03584 as Listed based on the latest refresh date shown above.

Does ZIP 03584 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