Southeastern, Pennsylvania

Southeastern Pennsylvania Processing & Distribution Center
Location in Pennsylvania
Alternative namesSoutheastern, PA
Post Office
General information
Address1000 W. Valley Road
Town or cityWayne, PA
CountryUSA
Coordinates40°4′14″N 75°25′38″W / 40.07056°N 75.42722°W / 40.07056; -75.42722

Southeastern is a United States Postal Service Sorting and Delivery Center (S&DC) in Tredyffrin Township, Chester County, Pennsylvania, United States, near Devon, which has been open since February 2024. Southeastern was previously a Processing and Distribution Center (P&DC) up until 2012, when it was closed. It was primarily known for its postmark on mail originating in many regional ZIP codes. There is a retail post office co-located at the S&DC.