Town of Southampton, NY ZIP Codes
Town of Southampton, New York has 10 ZIP codes: 9 for street addresses (, , , , , and 3 more) and 1 for PO boxes.
Your street decides which one you use.
Which Town of Southampton ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Town of Southampton ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
11969 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Town of Southampton town limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and county subdivision limits (2024).
All Town of Southampton ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 11901 | street delivery; mail may be addressed to Riverhead Riverhead |
| 11941 | street delivery; mail may be addressed to Eastport Eastport |
| 11942 | street delivery; mail may be addressed to East Quogue East Quogue |
| 11946 | street delivery; mail may be addressed to Hampton Bays Hampton Bays |
| 11963 | street delivery; mail may be addressed to Sag Harbor Sag Harbor |
| 11968 | street delivery Southampton |
| 11969 | PO boxes at the Southampton post office Southampton |
| 11976 | street delivery; mail may be addressed to Water Mill Water Mill |
| 11977 | street delivery; mail may be addressed to Westhampton Westhampton |
| 11978 | street delivery; mail may be addressed to Westhampton Beach Westhampton Beach |
ZIP codes from nearby towns that reach into Town of Southampton
- 11932, mailing town Bridgehampton, covers 5 percent of Town of Southampton
- 11959, mailing town Quogue, covers 4 percent of Town of Southampton
- 11962, mailing town Sagaponack, covers 4 percent of Town of Southampton
Why your mail may say Town of Southampton when you live outside it
Town of Southampton ZIP codes also cover Riverhead, Hampton Bays and Northampton, so a letter addressed to Town of Southampton can go to a home outside the town limits.
The reverse happens too: parts of Town of Southampton use 11932, 11959 and 11962, which mail under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Suffolk County property records show which city you are in.
Town of Southampton ZIP code questions
What is the main ZIP code for Town of Southampton?
11968, the ZIP code of the main Southampton post office at 123 N Sea Rd.
Which Town of Southampton ZIP codes are for PO boxes only?
11969. Mail to it goes to boxes at the post office, not to street addresses.
What county is Town of Southampton in?
Suffolk County.
ZIP codes for towns near Town of Southampton
More towns near Town of Southampton: New Haven, Central Islip, Town of Groton, Milford, Town of Islip, Stratford, Bay Shore, Hamden, Commack.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections