Find the last 4 digits (ZIP+4) for an address in 61812

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ZIP Code 61812 – Armstrong, IL

Armstrong, Illinois · Vermilion County · Central time

ZIP code61812
CityArmstrong
StateIllinois
CountyVermilion County
Population322
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area21.97 sq mi
Center (lat, long)40.2098, -87.9267

Area codes in this area

217447

These are the area codes that most often serve ZIP 61812 (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

61871 Royal · 3.1 mi61859 Ogden · 4.5 mi61844 Fithian · 5.5 mi61862 Penfield · 6.9 mi61831 Collison · 6.9 mi61857 Muncie · 7.7 mi61873 Saint Joseph · 7.9 mi61847 Gifford · 7.9 mi

About ZIP 61812

ZIP code 61812 is assigned to Armstrong, Illinois. It lies in Vermilion County. Its Census area covers about 21.97 square miles of land. The closest neighboring ZIP is 61871 (Royal), about 3.1 miles away.

Every address in 61812 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