Lee County Illinois is covered by a total of 23 ZIP Codes. There are 13 ZIP Codes in Lee County that extend into adjacent counties (Bureau County, DeKalb County, LaSalle County, Ogle County, and Whiteside County). Of the ZIP codes within or partially within Lee County there are 20 Standard ZIP Codes and 3 PO Box ZIP Codes.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Lee County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Earlville | Standard | |||
| Lee | Standard | |||
| Steward | Standard | |||
| Ashton | Standard | |||
| Dixon | Standard | |||
| Franklin Grove | Standard | |||
| Harmon | Standard | |||
| Nachusa | PO Box | |||
| Rochelle | Standard | |||
| Rock Falls | Standard | |||
| Sterling | Standard | |||
| Deer Grove | Standard | |||
| Amboy | Standard | |||
| Compton | Standard | |||
| Eldena | PO Box | |||
| La Moille | Standard | |||
| Lee Center | PO Box | |||
| Mendota | Standard | |||
| Ohio | Standard | |||
| Paw Paw | Standard | |||
| Sublette | Standard | |||
| Walnut | Standard | |||
| West Brooklyn | Standard |