If you are looking for information about the 5-digit ZIP Code , 15642 ZIP Code: Irwin, PA
Approximately 33,000 residents as of recent census estimates. 156421 zip
Most students in this ZIP Code attend the Norwin School District . Demographics & Economy If you are looking for information about the
The 15642 ZIP Code serves Irwin, North Huntingdon, and portions of Penn Township in Pennsylvania. It is located approximately 20 miles southeast of Pittsburgh. Community & Infrastructure Irwin County: Westmoreland County 15642 ZIP Code: Irwin
: A full 9-digit code like 15642-1XXX , where the "1" is the start of the four-digit extension used for more precise mail sorting.