Find the last 4 digits (ZIP+4) for an address in 08501

ZIP 08501, Allentown, NJ is filled in. Just type the street address.

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ZIP Code 08501 – Allentown, NJ

Allentown, New Jersey · Monmouth County · Eastern time

ZIP code08501
CityAllentown
StateNew Jersey
CountyMonmouth CountyBurlington CountyMercer County
Population6,364
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area27.21 sq mi
Center (lat, long)40.1663, -74.5525

Area codes in this area

609640

These are the area codes that most often serve ZIP 08501 (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

08691 Trenton · 3.9 mi08514 Cream Ridge · 3.9 mi08526 Imlaystown · 4.1 mi08620 Trenton · 5.2 mi08555 Roosevelt · 5.7 mi08561 Windsor · 5.8 mi08520 Hightstown · 6.4 mi08515 Chesterfield · 6.7 mi

About ZIP 08501

ZIP code 08501 is assigned to Allentown, New Jersey. It crosses 3 counties; most of its land is in Monmouth County. Its Census area covers about 27.21 square miles of land. The closest neighboring ZIP is 08691 (Trenton), about 3.9 miles away.

Every address in 08501 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