Southeastern PA ZIP Code
Southeastern city is located in Pennsylvania State, Chester County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Southeastern PA zip code by its streets and block numbers if we have some of the Southeastern streets loaded in our website
Southeastern Area Code is 610/484 and Time Zone is Eastern (GMT -05:00).
Southeastern Zip Code - Pennsylvania
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Southeastern City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Southeastern ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Southeastern, Pennsylvania.
The Southeastern Zip Code is 19397, 19398, 19399.
If you want to send a mail to Southeastern City, you should use the 19397, 19398, 19399 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Southeastern ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 19397, 19398, 19399 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Southeastern city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Pennsylvania.