In which county is ZIP code 17851 located?

ZIP 17851 is listed under Northumberland, PA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 17851: Mount Carmel, PA

ZIP: 17851

County: Northumberland

Coordinates: 40.79550, -76.41950

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Mount Carmel, PA postal area 17851. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Mount Carmel
ZIP Code	17851
County	Northumberland
State	PA
Latitude / Longitude	40.79550, -76.41950
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 17851 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 17851 is approximately 40.79550 (latitude) and -76.41950 (longitude). This location sits within Northumberland, contributing to regional planning across PA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 17851 for mail delivery and general location reference in Northumberland, PA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Mount Carmel within PA.

Frequently Asked Questions

What is the primary city for ZIP code 17851?

The primary city for this ZIP code is Mount Carmel, located in PA.

In which county is 17851 located?

ZIP code 17851 is situated within Northumberland, PA.

What are the coordinates for 17851?

The approximate center point is 40.79550 (Latitude) and -76.41950 (Longitude).

Is ZIP code 17851 active?

This page lists ZIP 17851 as Listed based on the latest refresh date shown above.

Does ZIP 17851 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