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 Nassau County Address Data
Businesses Addresses: 52,159
PO Box Addresses: 19,851
Residential Addresses: 448,719
Multi-Family Addresses: 46,822
Single Family Addresses: 398,307
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Map of Nassau County, NY ZIP Codes With Actual (Default) City Names
