In which county is ZIP code 17521 located?

ZIP 17521 is listed under Lancaster County, PA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 17521: Elm, PA

ZIP: 17521

County: Lancaster County

Coordinates: 40.20440, -76.34640

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Elm, PA postal area 17521. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Elm
ZIP Code	17521
County	Lancaster County
State	PA
Latitude / Longitude	40.20440, -76.34640
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 17521 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 17521 is approximately 40.20440 (latitude) and -76.34640 (longitude). This location sits within Lancaster County, contributing to regional planning across PA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 17521 for mail delivery and general location reference in Lancaster County, PA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Elm within PA.

Frequently Asked Questions

What is the primary city for ZIP code 17521?

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

In which county is 17521 located?

ZIP code 17521 is situated within Lancaster County, PA.

What are the coordinates for 17521?

The approximate center point is 40.20440 (Latitude) and -76.34640 (Longitude).

Is ZIP code 17521 active?

This page lists ZIP 17521 as Listed based on the latest refresh date shown above.

Does ZIP 17521 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