In which county is ZIP code 17320 located?

ZIP 17320 is listed under Adams, PA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 17320: Fairfield, PA

ZIP: 17320

County: Adams

Coordinates: 39.78080, -77.36190

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 17320, serving Fairfield in PA. It lies in Adams and supports delivery, planning, and address verification.

Primary City	Fairfield
ZIP Code	17320
County	Adams
State	PA
Latitude / Longitude	39.78080, -77.36190
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 17320 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 17320 is approximately 39.78080 (latitude) and -77.36190 (longitude). This location sits within Adams, contributing to regional planning across PA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 17320 for mail delivery and general location reference in Adams, PA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Fairfield within PA.

Frequently Asked Questions

What is the primary city for ZIP code 17320?

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

In which county is 17320 located?

ZIP code 17320 is situated within Adams, PA.

What are the coordinates for 17320?

The approximate center point is 39.78080 (Latitude) and -77.36190 (Longitude).

Is ZIP code 17320 active?

This page lists ZIP 17320 as Listed based on the latest refresh date shown above.

Does ZIP 17320 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