Find the last 4 digits (ZIP+4) for an address in 61350

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ZIP Code 61350 – Ottawa, IL

Ottawa, Illinois · LaSalle County · Central time

ZIP code61350
CityOttawa
StateIllinois
CountyLaSalle County
Population23,713
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area152.52 sq mi
Center (lat, long)41.3721, -88.8651

Area codes in this area

779815

These are the area codes that most often serve ZIP 61350 (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

60557 Wedron · 7.2 mi61373 Utica · 7.2 mi61341 Marseilles · 9 mi61325 Grand Ridge · 9.9 mi61348 Oglesby · 10.6 mi60549 Serena · 11.1 mi61301 La Salle · 11.5 mi61371 Triumph · 11.9 mi

About ZIP 61350

ZIP code 61350 is assigned to Ottawa, Illinois. It lies in LaSalle County. Its Census area covers about 152.52 square miles of land. The closest neighboring ZIP is 60557 (Wedron), about 7.2 miles away.

Every address in 61350 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