Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.
ZIP Codes in Cass County Address Data
Businesses Addresses: 409
PO Box Addresses: 841
Residential Addresses: 5,691
Multi-Family Addresses: 77
Single Family Addresses: 5,587
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Map of Cass County, IL ZIP Codes With Actual (Default) City Names