Find the last 4 digits (ZIP+4) for an address in 61109

ZIP 61109, Rockford, IL is filled in. Just type the street address.

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ZIP Code 61109 – Rockford, IL

Rockford, Illinois · Winnebago County · Central time

ZIP code61109
CityRockford
StateIllinois
CountyWinnebago CountyOgle County
Population26,768
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area38.52 sq mi
Center (lat, long)42.1913, -89.0558

Area codes in this area

779815

These are the area codes that most often serve ZIP 61109 (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

61104 Rockford · 4.3 mi61108 Rockford · 5.2 mi61112 Rockford · 5.4 mi61016 Cherry Valley · 5.5 mi61105 Rockford · 5.8 mi61020 Davis Junction · 6 mi61102 Rockford · 6 mi61052 Monroe Center · 6.2 mi

About ZIP 61109

ZIP code 61109 is assigned to Rockford, Illinois. It crosses 2 counties; most of its land is in Winnebago County. Its Census area covers about 38.52 square miles of land. The closest neighboring ZIP is 61104 (Rockford), about 4.3 miles away.

Every address in 61109 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