Find the last 4 digits (ZIP+4) for an address in 61540

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ZIP Code 61540 – Lacon, IL

Lacon, Illinois · Marshall County · Central time

ZIP code61540
CityLacon
StateIllinois
CountyMarshall County
Population2,753
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area52.65 sq mi
Center (lat, long)41.0146, -89.3666

Area codes in this area

861

These are the area codes that most often serve ZIP 61540 (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

61375 Varna · 6.6 mi61541 La Rose · 7.2 mi61570 Washburn · 7.3 mi61565 Sparland · 7.4 mi61537 Henry · 9 mi61545 Lowpoint · 10.1 mi61336 Magnolia · 10.5 mi61369 Toluca · 11.3 mi

About ZIP 61540

ZIP code 61540 is assigned to Lacon, Illinois. It lies in Marshall County. Its Census area covers about 52.65 square miles of land. The closest neighboring ZIP is 61375 (Varna), about 6.6 miles away.

Every address in 61540 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