Zip — 156421

Approximately 33,000 residents as of recent census estimates.

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

Served by U.S. Route 30 and the Pennsylvania Turnpike (I-76), which has an exit in the area. 156421 zip

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A mix of historic borough residential areas and suburban developments. Approximately 33,000 residents as of recent census estimates

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

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 . Was this information for , or were you

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.