Find the last 4 digits (ZIP+4) for an address in 61435

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ZIP Code 61435 – Gerlaw, IL

Gerlaw, Illinois · Warren County · Central time

ZIP code61435
CityGerlaw
StateIllinois
CountyWarren County
Population271
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area17.45 sq mi
Center (lat, long)40.9956, -90.5686

Area codes in this area

861

These are the area codes that most often serve ZIP 61435 (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

61412 Alexis · 5.7 mi61462 Monmouth · 7.3 mi61423 Cameron · 8.3 mi61466 North Henderson · 9.1 mi61402 Galesburg · 9.3 mi61401 Galesburg · 10.1 mi61453 Little York · 10.2 mi61439 Henderson · 11.6 mi

About ZIP 61435

ZIP code 61435 is assigned to Gerlaw, Illinois. It lies in Warren County. Its Census area covers about 17.45 square miles of land. The closest neighboring ZIP is 61412 (Alexis), about 5.7 miles away.

Every address in 61435 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