Find the last 4 digits (ZIP+4) for an address in 61031

ZIP 61031, Franklin Grove, IL is filled in. Just type the street address.

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ZIP Code 61031 – Franklin Grove, IL

Franklin Grove, Illinois · Lee County · Central time

ZIP code61031
CityFranklin Grove
StateIllinois
CountyLee CountyOgle County
Population1,492
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area44.93 sq mi
Center (lat, long)41.8300, -89.3213

Area codes in this area

779815

These are the area codes that most often serve ZIP 61031 (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

61057 Nachusa · 3.2 mi61331 Lee Center · 6.1 mi61324 Eldena · 6.3 mi61006 Ashton · 6.5 mi61021 Dixon · 8 mi61310 Amboy · 9 mi61378 West Brooklyn · 11.3 mi61061 Oregon · 11.6 mi

About ZIP 61031

ZIP code 61031 is assigned to Franklin Grove, Illinois. It crosses 2 counties; most of its land is in Lee County. Its Census area covers about 44.93 square miles of land. The closest neighboring ZIP is 61057 (Nachusa), about 3.2 miles away.

Every address in 61031 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