Find the last 4 digits (ZIP+4) for an address in 61603

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ZIP Code 61603 – Peoria, IL

Peoria, Illinois · Peoria County · Central time

ZIP code61603
CityPeoria
StateIllinois
CountyPeoria County
Population15,356
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.22 sq mi
Center (lat, long)40.7098, -89.5755

Area codes in this area

861

These are the area codes that most often serve ZIP 61603 (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

61639 Peoria · 0.6 mi61637 Peoria · 0.9 mi61636 Peoria · 1.2 mi61601 Peoria · 1.4 mi61629 Peoria · 1.4 mi61634 Peoria · 1.7 mi61606 Peoria · 2 mi61633 Peoria · 2.1 mi

About ZIP 61603

ZIP code 61603 is assigned to Peoria, Illinois. It lies in Peoria County. Its Census area covers about 4.22 square miles of land. The closest neighboring ZIP is 61639 (Peoria), about 0.6 miles away.

Every address in 61603 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