Find the last 4 digits (ZIP+4) for an address in 08831

ZIP 08831, Monroe Township, NJ is filled in. Just type the street address.

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ZIP Code 08831 – Monroe Township, NJ

Monroe Township, New Jersey · Middlesex County · Eastern time

ZIP code08831
CityMonroe Township
StateNew Jersey
CountyMiddlesex County
Population55,658
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area51.3 sq mi
Center (lat, long)40.3343, -74.4325

Area codes in this area

732848609640

These are the area codes that most often serve ZIP 08831 (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

08828 Helmetta · 3.1 mi08810 Dayton · 3.9 mi08884 Spotswood · 4.6 mi08512 Cranbury · 4.9 mi07726 Englishtown · 5.8 mi07763 Tennent · 6.4 mi08816 East Brunswick · 6.6 mi08818 Edison · 6.6 mi

About ZIP 08831

ZIP code 08831 is assigned to Monroe Township, New Jersey. It lies in Middlesex County. Its Census area covers about 51.3 square miles of land. The closest neighboring ZIP is 08828 (Helmetta), about 3.1 miles away.

Every address in 08831 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