Postal reference / United States
15664Mammoth, Pennsylvania
ZIP code 15664 is a United States postal code for Mammoth, Pennsylvania. Its county association is Westmoreland County. The map reference point is at 40.3108, -79.6172.
- State / territory
- Pennsylvania
- Recorded place name
- Mammoth
- County association
- Westmoreland
- Estimated coordinate
- 40.3108, -79.6172
View on OpenStreetMap - ZIP prefix
- 156 · 77 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
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Pennsylvania directoryNearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 15634 | Grapeville | PA | Westmoreland | 1.1 |
| 15644 | Jeannette | PA | Westmoreland | 1.3 |
| 15675 | Penn | PA | Westmoreland | 1.8 |
| 15611 | Adamsburg | PA | Westmoreland | 2.1 |
| 15665 | Manor | PA | Westmoreland | 3.2 |
| 15692 | Westmoreland City | PA | Westmoreland | 3.6 |
| 15617 | Arona | PA | Westmoreland | 3.7 |
| 15691 | Wendel | PA | Westmoreland | 3.8 |
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