Find the last 4 digits (ZIP+4) for an address in 15123

ZIP 15123, West Mifflin, PA is filled in. Just type the street address.

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ZIP Code 15123 – West Mifflin, PA

West Mifflin, Pennsylvania · Allegheny County · Eastern time

ZIP code15123
CityWest Mifflin
StatePennsylvania
CountyAllegheny County
Population2
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.07 sq mi
Center (lat, long)40.3482, -79.9348

Area codes in this area

412878724

These are the area codes that most often serve ZIP 15123 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

15236 Pittsburgh · 2.2 mi15122 West Mifflin · 2.2 mi15034 Dravosburg · 2.4 mi15227 Pittsburgh · 2.6 mi15045 Glassport · 3 mi15207 Pittsburgh · 3.5 mi15025 Clairton · 3.6 mi15120 Homestead · 3.6 mi

About ZIP 15123

ZIP code 15123 is assigned to West Mifflin, Pennsylvania. It lies in Allegheny County. Its Census area covers about 0.07 square miles of land. The closest neighboring ZIP is 15236 (Pittsburgh), about 2.2 miles away.

Every address in 15123 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources