Find the last 4 digits (ZIP+4) for an address in 61523

ZIP 61523, Chillicothe, IL is filled in. Just type the street address.

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ZIP Code 61523 – Chillicothe, IL

Chillicothe, Illinois · Peoria County · Central time

ZIP code61523
CityChillicothe
StateIllinois
CountyPeoria CountyMarshall County
Population10,203
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area53.27 sq mi
Center (lat, long)40.9120, -89.5378

Area codes in this area

861

These are the area codes that most often serve ZIP 61523 (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

61562 Rome · 2.9 mi61652 Peoria · 2.9 mi61526 Edelstein · 4.4 mi61552 Mossville · 6.4 mi61479 Speer · 8.2 mi61525 Dunlap · 8.2 mi61638 Peoria · 8.8 mi61565 Sparland · 8.9 mi

About ZIP 61523

ZIP code 61523 is assigned to Chillicothe, Illinois. It crosses 2 counties; most of its land is in Peoria County. Its Census area covers about 53.27 square miles of land. The closest neighboring ZIP is 61562 (Rome), about 2.9 miles away.

Every address in 61523 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