ZIP Code 19399 is located in Southeastern Pennsylvania. 19399 is entirely within Chester County. Regionally, it is located in Metro Philadelphia.
| ZIP Code Name | Southeastern |
| Primary County | Chester County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 40.07024002,-75.42487335 |
| Adjacent ZIP Codes | |
| Region | Metro Philadelphia |
| Metropolitan/Micropolitan Stat Area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |