Find the last 4 digits (ZIP+4) for an address in 61865

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ZIP Code 61865 – Potomac, IL

Potomac, Illinois · Vermilion County · Central time

ZIP code61865
CityPotomac
StateIllinois
CountyVermilion County
Population1,167
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area79.71 sq mi
Center (lat, long)40.3027, -87.8021

Area codes in this area

217447

These are the area codes that most often serve ZIP 61865 (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

61831 Collison · 5.3 mi61848 Henning · 5.3 mi61862 Penfield · 8.2 mi60963 Rossville · 9.2 mi61812 Armstrong · 9.2 mi61811 Alvin · 9.5 mi60960 Rankin · 10.5 mi61847 Gifford · 10.9 mi

About ZIP 61865

ZIP code 61865 is assigned to Potomac, Illinois. It lies in Vermilion County. Its Census area covers about 79.71 square miles of land. The closest neighboring ZIP is 61831 (Collison), about 5.3 miles away.

Every address in 61865 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