Carbondale

ZIP Code(s): 62901, 62903; County(s): Jackson;

Brimfield

ZIP Code(s): 61517; County(s): Peoria;

South Roxana

ZIP Code(s): 62087, 62025; County(s): Madison;

Odin

ZIP Code(s): 62870; County(s): Marion;

Granite City

ZIP Code(s): 62048, 62040; County(s): Madison;

Edwardsville

ZIP Code(s): 62025, 62048, 62026; County(s): Madison;

Tamms

ZIP Code(s): 62988, 62993; County(s): Alexander;

Makanda

ZIP Code(s): 62958; County(s): Jackson;

New Milford

ZIP Code(s): 61109; County(s): Winnebago;

Newman

ZIP Code(s): 61942; County(s): Douglas;

Argenta

ZIP Code(s): 62501; County(s): Macon;

Mettawa

ZIP Code(s): 60045, 60048; County(s): Lake;

Palmyra

ZIP Code(s): 62674; County(s): Macoupin;

Orion

ZIP Code(s): 61273; County(s): Henry;

Pesotum

ZIP Code(s): 61863; County(s): Champaign;

Momence

ZIP Code(s): 60954; County(s): Kankakee;

South Pekin

ZIP Code(s): 61554, 61564; County(s): Tazewell;

Morris

ZIP Code(s): 60450; County(s): Grundy;

Savoy

ZIP Code(s): 61874, 61822; County(s): Champaign;