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: 50,281
PO Box Addresses: 15,474
Residential Addresses: 454,132
Multi-Family Addresses: 49,863
Single Family Addresses: 401,881
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Map of Nassau County, NY ZIP Codes With Actual (Default) City Names
