Southwest ZIP code, Pennsylvania
The ZIP code for Southwest, PA is 15685, and its area codes are 724, 878 and 412.
- USPS city name
- 1 ZIP code
- County
- Westmoreland County
- State
- Pennsylvania
NANPA lists no telephone rate centre for Southwest itself, so these are the area codes of the nearest one, Greensburg (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Southwest
Towns near Southwest
| Town | Population | Distance |
|---|---|---|
| Latrobe | 7,977 | 4.5 mi |
| Loyalhanna | 3,349 | 5.4 mi |
| Greensburg | 14,741 | 6.5 mi |
| Derry | 2,614 | 7.5 mi |
| Delmont | 2,610 | 7.9 mi |
| Jeannette | 8,657 | 9.4 mi |
| Blairsville | 3,215 | 10.7 mi |
| Youngwood | 2,926 | 10.9 mi |
| Manor | 3,538 | 12.1 mi |
| Murrysville | 20,817 | 12.8 mi |
| New Stanton | 2,515 | 13.0 mi |
| Irwin | 3,831 | 13.9 mi |
| Level Green | 4,409 | 15.0 mi |
| Mount Pleasant | 4,199 | 15.5 mi |
More nearby: every ZIP code in Westmoreland County · Pennsylvania ZIP codes
Cite this page
zipcodes.pro. “Southwest, PA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/pa/southwest
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