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: 51,563
PO Box Addresses: 18,767
Residential Addresses: 450,625
Multi-Family Addresses: 47,598
Single Family Addresses: 399,685
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Map of Nassau County, NY ZIP Codes With Actual (Default) City Names
