156421 Zip -

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Most students in this ZIP Code attend the Norwin School District . Demographics & Economy 156421 zip

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

Served by U.S. Route 30 and the Pennsylvania Turnpike (I-76), which has an exit in the area. Potential Alternatives If "156421" was a typo, you

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

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