| Primary City | Markham | |
| Population | 12,508 | |
| State | Illinois | |
| County | Cook County | |
| Current Time | ||
| Zip Codes | 60426, 60428 | |
| Area Codes | 815 |
Neighbouring Zip Codes
ZIP Code: 61523
Chillicothe, Illinois
ZIP Code: 61021
Dixon, Illinois
ZIP Code: 62830
Dix, Illinois
ZIP Code: 61530
Eureka, Illinois
ZIP Code: 61443
Kewanee, Illinois
ZIP Code: 61301
La Salle, Illinois
ZIP Code: 61341
Marseilles, Illinois
ZIP Code: 61342
Mendota, Illinois
ZIP Code: 61350
Ottawa, Illinois
ZIP Code: 61616
Peoria, Illinois
ZIP Code: 61354
Peru, Illinois
ZIP Code: 61356
Princeton, Illinois
ZIP Code: 60548
Sandwich, Illinois
ZIP Code: 61362
Spring Valley, Illinois
ZIP Code: 61364
Streator, Illinois
ZIP Code: 61571
Washington, Illinois
Neighbouring Cities
Peru, La Salle, Princeton, Mendota, Ottawa, Streator, Chillicothe, Marseilles, Kewanee, Eureka, Peoria Heights, Washington, Dixon, North Peoria, Sandwich