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 Suffolk County Address Data
Businesses Addresses: 57,140
PO Box Addresses: 44,829
Residential Addresses: 528,057
Multi-Family Addresses: 22,519
Single Family Addresses: 504,065
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Map of Suffolk County, NY ZIP Codes With Actual (Default) City Names