ZIP Code 15122: West Mifflin, PA
County: Allegheny County
Coordinates: 40.36340, -79.86640
ZIP Type: Standard
Time Zone: Eastern Time (ET)
Get a reliable snapshot of the West Mifflin, PA postal area 15122. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | West Mifflin |
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| ZIP Code | 15122 |
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| County | Allegheny County |
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| State | PA |
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| Latitude / Longitude | 40.36340, -79.86640 |
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| ZIP Type | Standard |
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| Time Zone | Eastern Time (ET) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 15122 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 15122 is approximately 40.36340 (latitude) and -79.86640 (longitude). This location sits within Allegheny County, contributing to regional planning across PA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 15122 for mail delivery and general location reference in
Allegheny County,
PA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with West Mifflin.
Related ZIP Codes (Nearby)
Explore other postal codes near West Mifflin within PA.
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Frequently Asked Questions
What is the primary city for ZIP code 15122?
The primary city for this ZIP code is West Mifflin, located in PA.
In which county is 15122 located?
ZIP code 15122 is situated within Allegheny County, PA.
What are the coordinates for 15122?
The approximate center point is 40.36340 (Latitude) and -79.86640 (Longitude).
Is ZIP code 15122 active?
This page lists ZIP 15122 as Listed based on the latest refresh date shown above.
Does ZIP 15122 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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Methodology & Data Notes
How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.
Page updated: 2026-01-08