156421 Zip File

Most students in this ZIP Code attend the Norwin School District . Demographics & Economy

💡 : U.S. ZIP Codes are always 5 digits in their basic form; the expanded ZIP+4 system uses 9 digits . 156421 zip

: 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. Most students in this ZIP Code attend the

Served by U.S. Route 30 and the Pennsylvania Turnpike (I-76), which has an exit in the area. : A full 9-digit code like 15642-1XXX ,

15642 is a valid ZIP Code for , and areas in Westmoreland County . However, 156421 is a 6-digit number and does not exist as a standard 5-digit United States ZIP Code.

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