In which county is ZIP code 19311 located?

ZIP 19311 is listed under Chester, PA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 19311: Avondale, PA

ZIP: 19311

County: Chester

Coordinates: 39.82190, -75.76870

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 19311, serving Avondale in PA. It lies in Chester and supports delivery, planning, and address verification.

Primary City	Avondale
ZIP Code	19311
County	Chester
State	PA
Latitude / Longitude	39.82190, -75.76870
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 19311 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 19311 is approximately 39.82190 (latitude) and -75.76870 (longitude). This location sits within Chester, contributing to regional planning across PA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 19311 for mail delivery and general location reference in Chester, PA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Avondale within PA.

Frequently Asked Questions

What is the primary city for ZIP code 19311?

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

In which county is 19311 located?

ZIP code 19311 is situated within Chester, PA.

What are the coordinates for 19311?

The approximate center point is 39.82190 (Latitude) and -75.76870 (Longitude).

Is ZIP code 19311 active?

This page lists ZIP 19311 as Listed based on the latest refresh date shown above.

Does ZIP 19311 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