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: 51,830
PO Box Addresses: 19,429
Residential Addresses: 449,946
Multi-Family Addresses: 47,195
Single Family Addresses: 399,228
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Map of Nassau County, NY ZIP Codes With Actual (Default) City Names
