Illinois ZIP Codes
The state of Illinois currently has a total of 1568 Zip codes. The first digit of all ZIP codes in Illinois is 6. The first two digits can be a…
Blogging About Maps, ZIP Codes, Demographics, Economics and other Data
The state of Illinois currently has a total of 1568 Zip codes. The first digit of all ZIP codes in Illinois is 6. The first two digits can be a…