The state Illinois has 1575 different ZIP Codes among its 1 distinct locations. The postal code range goes from 60001 to 62999.
Rock Island
Saline
Sangamon
Schuyler
Scott
Shelby
St. Clair
Stark
Stephenson
Tazewell
Union
Vermilion
Wabash
Warren
Washington
Wayne
White
Whiteside
Will
Williamson
Winnebago
Woodford