Find the last 4 digits (ZIP+4) for an address in 61544

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ZIP Code 61544 – London Mills, IL

London Mills, Illinois · Fulton County · Central time

ZIP code61544
CityLondon Mills
StateIllinois
CountyFulton CountyKnox County
Population784
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area39.73 sq mi
Center (lat, long)40.7007, -90.2341

Area codes in this area

861

These are the area codes that most often serve ZIP 61544 (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

61432 Fairview · 5.6 mi61458 Maquon · 6.2 mi61431 Ellisville · 7.5 mi61474 Saint Augustine · 8.8 mi61415 Avon · 10.3 mi61531 Farmington · 10.4 mi61433 Fiatt · 10.7 mi61436 Gilson · 11 mi

About ZIP 61544

ZIP code 61544 is assigned to London Mills, Illinois. It crosses 2 counties; most of its land is in Fulton County. Its Census area covers about 39.73 square miles of land. The closest neighboring ZIP is 61432 (Fairview), about 5.6 miles away.

Every address in 61544 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