Find the last 4 digits (ZIP+4) for an address in 61604

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ZIP Code 61604 – Peoria, IL

Peoria, Illinois · Peoria County · Central time

ZIP code61604
CityPeoria
StateIllinois
CountyPeoria County
Population28,313
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area15.19 sq mi
Center (lat, long)40.7052, -89.6529

Area codes in this area

861

These are the area codes that most often serve ZIP 61604 (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

61625 Peoria · 2.1 mi61606 Peoria · 2.2 mi61605 Peoria · 2.2 mi61613 Peoria · 2.9 mi61636 Peoria · 3 mi61602 Peoria · 3.1 mi61633 Peoria · 3.2 mi61615 Peoria · 3.2 mi

About ZIP 61604

ZIP code 61604 is assigned to Peoria, Illinois. It lies in Peoria County. Its Census area covers about 15.19 square miles of land. The closest neighboring ZIP is 61625 (Peoria), about 2.1 miles away.

Every address in 61604 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