Find the last 4 digits (ZIP+4) for an address in 61770

ZIP 61770, Saybrook, IL is filled in. Just type the street address.

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ZIP Code 61770 – Saybrook, IL

Saybrook, Illinois · McLean County · Central time

ZIP code61770
CitySaybrook
StateIllinois
CountyMcLean County
Population1,067
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area60.46 sq mi
Center (lat, long)40.4395, -88.5108

Area codes in this area

861217447

These are the area codes that most often serve ZIP 61770 (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

61722 Arrowsmith · 6.2 mi61724 Bellflower · 7.3 mi61845 Foosland · 7.5 mi61720 Anchor · 7.7 mi60936 Gibson City · 7.9 mi61843 Fisher · 11.1 mi61773 Sibley · 11.3 mi61728 Colfax · 11.4 mi

About ZIP 61770

ZIP code 61770 is assigned to Saybrook, Illinois. It lies in McLean County. Its Census area covers about 60.46 square miles of land. The closest neighboring ZIP is 61722 (Arrowsmith), about 6.2 miles away.

Every address in 61770 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