In which county is ZIP code 04420 located?

ZIP 04420 is listed under Hancock, ME.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 04420: Castine, ME

ZIP: 04420

County: Hancock

Coordinates: 44.41300, -68.79800

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Castine, ME postal area 04420. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Castine
ZIP Code	04420
County	Hancock
State	ME
Latitude / Longitude	44.41300, -68.79800
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 04420 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 04420 are listed as 44.41300 / -68.79800, useful for GPS and service checks in and around Castine, ME.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 04420 for mail delivery and general location reference in Hancock, ME.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Castine.

Related ZIP Codes (Nearby)

Explore other postal codes near Castine within ME.

Frequently Asked Questions

What is the primary city for ZIP code 04420?

The primary city for this ZIP code is Castine, located in ME.

In which county is 04420 located?

ZIP code 04420 is situated within Hancock, ME.

What are the coordinates for 04420?

The approximate center point is 44.41300 (Latitude) and -68.79800 (Longitude).

Is ZIP code 04420 active?

This page lists ZIP 04420 as Listed based on the latest refresh date shown above.

Does ZIP 04420 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