Leland

ZIP Code(s): 60531; County(s): LaSalle;

Ottawa

ZIP Code(s): 61350; County(s): LaSalle;

Marseilles

ZIP Code(s): 61341; County(s): LaSalle;

Tonica

ZIP Code(s): 61370; County(s): LaSalle;

Millington

ZIP Code(s): 60537; County(s): Kendall, LaSalle;

Streator

ZIP Code(s): 61364; County(s): LaSalle, Livingston;

Lake Holiday

ZIP Code(s): 60548, 60552; County(s): LaSalle;

Peru

ZIP Code(s): 61329, 61354; County(s): LaSalle;

Earlville

ZIP Code(s): 60518; County(s): LaSalle;

Mendota

ZIP Code(s): 61342; County(s): LaSalle;

Somonauk

ZIP Code(s): 60548, 60552; County(s): DeKalb, LaSalle;

Oglesby

ZIP Code(s): 61348; County(s): LaSalle;

LaSalle

ZIP Code(s): 61301; County(s): LaSalle;

Sheridan

ZIP Code(s): 60551; County(s): LaSalle;

Seneca

ZIP Code(s): 60450, 61360; County(s): LaSalle;