In which county is ZIP code 19399 located?

ZIP 19399 is listed under Chester, PA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 19399: Southeastern, PA

ZIP: 19399

County: Chester

Coordinates: 39.98320, -75.74810

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 19399, serving Southeastern in PA. It lies in Chester and supports delivery, planning, and address verification.

Primary City	Southeastern
ZIP Code	19399
County	Chester
State	PA
Latitude / Longitude	39.98320, -75.74810
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 19399 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 19399 are listed as 39.98320 / -75.74810, useful for GPS and service checks in and around Southeastern, PA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 19399 for mail delivery and general location reference in Chester, PA.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Southeastern.

Related ZIP Codes (Nearby)

Explore other postal codes near Southeastern within PA.

Frequently Asked Questions

What is the primary city for ZIP code 19399?

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

In which county is 19399 located?

ZIP code 19399 is situated within Chester, PA.

What are the coordinates for 19399?

The approximate center point is 39.98320 (Latitude) and -75.74810 (Longitude).

Is ZIP code 19399 active?

This page lists ZIP 19399 as Listed based on the latest refresh date shown above.

Does ZIP 19399 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