Irwin, PA ZIP Codes, Coordinates & Counties
Irwin, Pennsylvania has 1 ZIP code in Westmoreland county. The approximate center of Irwin is 40.319, -79.72. Irwin has about 142,719 known street addresses.
ZIP codes in Irwin, PA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 15642 | Westmoreland | 40.319 | -79.72 |
Counties Irwin spans
Westmoreland
Most common streets in Irwin
Clay, Lincoln, Center, 8th, Ridge, 9th, 1st, Delaware, Laurel, Beacon
Frequently asked questions
What ZIP codes are in Irwin, PA?
Irwin, Pennsylvania has 1 ZIP code, ranging from 15642 to 15642. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Irwin, PA in?
Irwin is in Westmoreland county.
What are the latitude and longitude of Irwin, PA?
The approximate center of Irwin, Pennsylvania is latitude 40.319, longitude -79.72. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Irwin, PA have?
Irwin has 1 ZIP code.
How many addresses are in Irwin, PA?
Irwin, Pennsylvania has about 142,719 known street addresses in the sthan.io US address database.
What are the most common streets in Irwin, PA?
Some of the most common street names in Irwin are Clay, Lincoln, Center, 8th, Ridge, 9th.
What cities are near Irwin, PA?
Cities near Irwin include Larimer (2 mi), Rillton (2 mi), Wendel (2 mi), Westmoreland City (2 mi), Ardara (3 mi).
Cities near Irwin
Larimer, PA (2 mi) Rillton, PA (2 mi) Wendel, PA (2 mi) Westmoreland City, PA (2 mi) Ardara, PA (3 mi) Manor, PA (3 mi) Adamsburg, PA (4 mi) Coulters, PA (4 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database