Find the last 4 digits (ZIP+4) for an address in 61070

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ZIP Code 61070 – Rock City, IL

Rock City, Illinois · Stephenson County · Central time

ZIP code61070
CityRock City
StateIllinois
CountyStephenson County
Population1,322
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area32.37 sq mi
Center (lat, long)42.4157, -89.4717

Area codes in this area

779815

These are the area codes that most often serve ZIP 61070 (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

61019 Davis · 3.5 mi61018 Dakota · 4.3 mi61067 Ridott · 7.6 mi61060 Orangeville · 8.6 mi61013 Cedarville · 8.8 mi61024 Durand · 9 mi61063 Pecatonica · 9.4 mi53550 Juda · 9.5 mi

About ZIP 61070

ZIP code 61070 is assigned to Rock City, Illinois. It lies in Stephenson County. Its Census area covers about 32.37 square miles of land. The closest neighboring ZIP is 61019 (Davis), about 3.5 miles away.

Every address in 61070 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