In which county is ZIP code 04978 located?

ZIP 04978 is listed under Somerset, ME.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 04978: Smithfield, ME

ZIP: 04978

County: Somerset

Coordinates: 44.63010, -69.80750

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 04978 in Smithfield, ME. We include verified county details for Somerset plus key geographic references used for mapping and logistics.

Primary City	Smithfield
ZIP Code	04978
County	Somerset
State	ME
Latitude / Longitude	44.63010, -69.80750
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 04978 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 04978 are listed as 44.63010 / -69.80750, useful for GPS and service checks in and around Smithfield, ME.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 04978 for mail delivery and general location reference in Somerset, ME.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Smithfield within ME.

Frequently Asked Questions

What is the primary city for ZIP code 04978?

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

In which county is 04978 located?

ZIP code 04978 is situated within Somerset, ME.

What are the coordinates for 04978?

The approximate center point is 44.63010 (Latitude) and -69.80750 (Longitude).

Is ZIP code 04978 active?

This page lists ZIP 04978 as Listed based on the latest refresh date shown above.

Does ZIP 04978 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