156421 Zip -

If you are looking for information about the 5-digit ZIP Code , 15642 ZIP Code: Irwin, PA

Retail, healthcare, and light manufacturing, with many residents commuting to Pittsburgh for work. Potential Alternatives If "156421" was a typo, you might be looking for: 15642 : Irwin, PA (the most likely intent). 16421 : A ZIP Code in Erie County, PA .

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. 156421 zip

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

A mix of historic borough residential areas and suburban developments. If you are looking for information about the

Approximately 33,000 residents as of recent census estimates.

Served by U.S. Route 30 and the Pennsylvania Turnpike (I-76), which has an exit in the area. 15642 is a valid ZIP Code for ,

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