156666 — Zip

Home to the Samuel Warden House and the Mount Pleasant Historic District, both on the National Register of Historic Places .

Primarily two- and three-bedroom single-family detached homes. 156666 zip

A mix of historic borough charm and rural landscapes. 🏠 Housing & Real Estate Home to the Samuel Warden House and the

The ZIP code (often mistakenly searched as 156666) belongs to Mount Pleasant, Pennsylvania . Located in Westmoreland County, this area is a historic hub famous for its 19th-century glass-making industry. 📍 Location & Demographics Primary City: Mount Pleasant, PA . County: Westmoreland County. Time Zone: Eastern Time (UTC-5). 🏠 Housing & Real Estate The ZIP code

Approximately 16,000 residents as of recent estimates.

15621 (Donegal), 15683 (Scottdale), and 15697 (Youngwood). Local Highlights & History

Once a center for coke-making and glass production; the Mount Pleasant Glass Museum preserves this history.