In which county is ZIP code 17551 located?

ZIP 17551 is listed under Lancaster County, PA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 17551: Millersville, PA

ZIP: 17551

County: Lancaster County

Coordinates: 39.99820, -76.35660

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Millersville, PA postal area 17551. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Millersville
ZIP Code	17551
County	Lancaster County
State	PA
Latitude / Longitude	39.99820, -76.35660
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 17551 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 17551 is commonly represented around 39.99820, -76.35660. These coordinates help identify the general area within Lancaster County, PA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 17551 for mail delivery and general location reference in Lancaster County, PA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Millersville within PA.

Frequently Asked Questions

What is the primary city for ZIP code 17551?

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

In which county is 17551 located?

ZIP code 17551 is situated within Lancaster County, PA.

What are the coordinates for 17551?

The approximate center point is 39.99820 (Latitude) and -76.35660 (Longitude).

Is ZIP code 17551 active?

This page lists ZIP 17551 as Listed based on the latest refresh date shown above.

Does ZIP 17551 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