Find the last 4 digits (ZIP+4) for an address in 61243

ZIP 61243, Deer Grove, IL is filled in. Just type the street address.

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ZIP Code 61243 – Deer Grove, IL

Deer Grove, Illinois · Whiteside County · Central time

ZIP code61243
CityDeer Grove
StateIllinois
CountyWhiteside CountyLee County
Population155
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area25.67 sq mi
Center (lat, long)41.6185, -89.6784

Area codes in this area

779815

These are the area codes that most often serve ZIP 61243 (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

61283 Tampico · 6 mi61376 Walnut · 6.8 mi61071 Rock Falls · 7.4 mi61346 New Bedford · 8 mi61042 Harmon · 8.1 mi61338 Manlius · 10.3 mi61037 Galt · 12.5 mi61277 Prophetstown · 13 mi

About ZIP 61243

ZIP code 61243 is assigned to Deer Grove, Illinois. It crosses 2 counties; most of its land is in Whiteside County. Its Census area covers about 25.67 square miles of land. The closest neighboring ZIP is 61283 (Tampico), about 6 miles away.

Every address in 61243 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