Find the last 4 digits (ZIP+4) for an address in 61478

ZIP 61478, Smithshire, IL is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 61478 – Smithshire, IL

Smithshire, Illinois · Warren County · Central time

ZIP code61478
CitySmithshire
StateIllinois
CountyWarren CountyHenderson County
Population420
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area34.42 sq mi
Center (lat, long)40.7563, -90.7604

Area codes in this area

861

These are the area codes that most often serve ZIP 61478 (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

61460 Media · 4.3 mi61471 Raritan · 5.4 mi61473 Roseville · 6.6 mi61447 Kirkwood · 7.9 mi61480 Stronghurst · 8.2 mi61418 Biggsville · 8.5 mi61475 Sciota · 11 mi61417 Berwick · 11.4 mi

About ZIP 61478

ZIP code 61478 is assigned to Smithshire, Illinois. It crosses 2 counties; most of its land is in Warren County. Its Census area covers about 34.42 square miles of land. The closest neighboring ZIP is 61460 (Media), about 4.3 miles away.

Every address in 61478 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