Southold Post Office

710 Traveler St, Southold, NY 11971

Contact Numbers

Phone: 631-765-4027
Fax: 631-765-6053
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
PO Box Access Available

Monday 6:00am - 5:30pm
Tuesday 6:00am - 5:30pm
Wednesday 6:00am - 5:30pm
Thursday 6:00am - 5:30pm
Friday 6:00am - 5:30pm
Saturday 6:00am - 3:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:00am - 2:00pm
Tuesday 9:00am - 2:00pm
Wednesday 9:00am - 2:00pm
Thursday 9:00am - 2:00pm
Friday 9:00am - 2:00pm
Saturday Closed
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

2575 Peconic Ln
1.4 miles away

240 Griffing St
3.1 miles away

Shelter Island Heights
6 Grand Ave
3.1 miles away

131 Front St
3.1 miles away


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Even long before the virus, anything I send through this post office is never delivered on time. I could pay extra to make sure my gift arrives on time for a birthday, etc. and you can be sure it won't arrive on time. When the person in that town goes to the post office to inquire about said box I sent, he is spoken to so rudely like he means nothing and is beneath him. I am very disappointed with this post office t


I am sick and tired of recieving all my neighbors mail and not my own. The government notified me that I received my stimulus check and I didn't. It was in my neighbors mailbox. This caous has to stop. I have been dealing with this for years! It MUST STOP!

* is not a part of, or affiliated with, the official United States Postal Service (USPS).