Find the last 4 digits (ZIP+4) for an address in 61274

ZIP 61274, Osco, IL is filled in. Just type the street address.

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ZIP Code 61274 – Osco, IL

Osco, Illinois · Henry County · Central time

ZIP code61274
CityOsco
StateIllinois
CountyHenry County
Population197
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area23.59 sq mi
Center (lat, long)41.3703, -90.2766

Area codes in this area

861

These are the area codes that most often serve ZIP 61274 (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

61233 Andover · 5.3 mi61273 Orion · 6.4 mi61262 Lynn Center · 7.5 mi61238 Cambridge · 8.1 mi61241 Colona · 8.4 mi61240 Coal Valley · 9.1 mi61254 Geneseo · 9.4 mi61468 Ophiem · 9.7 mi

About ZIP 61274

ZIP code 61274 is assigned to Osco, Illinois. It lies in Henry County. Its Census area covers about 23.59 square miles of land. The closest neighboring ZIP is 61233 (Andover), about 5.3 miles away.

Every address in 61274 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