Find the last 4 digits (ZIP+4) for an address in 61042

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ZIP Code 61042 – Harmon, IL

Harmon, Illinois · Lee County · Central time

ZIP code61042
CityHarmon
StateIllinois
CountyLee County
Population404
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area66.71 sq mi
Center (lat, long)41.6941, -89.5587

Area codes in this area

779815

These are the area codes that most often serve ZIP 61042 (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

61071 Rock Falls · 7.5 mi61243 Deer Grove · 8.1 mi61324 Eldena · 9.1 mi61021 Dixon · 10.3 mi61310 Amboy · 10.5 mi61376 Walnut · 11 mi61349 Ohio · 11.8 mi61037 Galt · 12.2 mi

About ZIP 61042

ZIP code 61042 is assigned to Harmon, Illinois. It lies in Lee County. Its Census area covers about 66.71 square miles of land. The closest neighboring ZIP is 61071 (Rock Falls), about 7.5 miles away.

Every address in 61042 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