Find the last 4 digits (ZIP+4) for an address in 61204

ZIP 61204, Rock Island, IL is filled in. Just type the street address.

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ZIP Code 61204 – Rock Island, IL

Rock Island, Illinois · Rock Island County · Central time

ZIP code61204
CityRock Island
StateIllinois
CountyRock Island County
PopulationNot published (no Census ZIP area)
Time zoneCentral · local time
ZIP typePO box or unique ZIP (no Census area)
Center (lat, long)41.5549, -90.6160

Area codes in this area

861

These are the area codes that most often serve ZIP 61204 (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

52806 Davenport · 2.4 mi52801 Davenport · 3.2 mi52803 Davenport · 3.3 mi52804 Davenport · 3.7 mi52805 Davenport · 4 mi52808 Davenport · 4 mi52809 Davenport · 4 mi52802 Davenport · 4.3 mi

About ZIP 61204

ZIP code 61204 is assigned to Rock Island, Illinois. It lies in Rock Island County. It is a PO-box-only or single-address ZIP, so the Census Bureau does not publish an area for it; the location shown is approximate. The closest neighboring ZIP is 52806 (Davenport), about 2.4 miles away.

Every address in 61204 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