19399 ZIP Code — Southeastern, PA
Chester County, Pennsylvania
ZIP code 19399 is located in Southeastern, Pennsylvania, within Chester County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 610/484.
0
population
0.00
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
19399 ZIP code map
Cities in ZIP code 19399
Below are the cities the US Postal Service accepts for ZIP code 19399. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Southeastern | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 42 |
| County FIPS | 029 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 39.9833 |
| Longitude | -75.5125 |
| Timezone | Eastern (ET) |
| Area code | 610/484 |