Setauket Post Office

101 Main St, Setauket, NY 11733

Contact Numbers

Phone: 631-941-4042
Fax: 631-689-2173
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 8:00am - 4:15pm
Tuesday 8:00am - 4:15pm
Wednesday 8:00am - 4:15pm
Thursday 8:00am - 4:15pm
Friday 8:00am - 4:15pm
Saturday 8:00am - 1:15pm
Sunday Closed

Last Collection Times

Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 1:00pm
Sunday Closed

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

  • Burial Flags
  • Business Line
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street 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:

East Setauket
450 Route 25a
0.5 mile away

Stony Brook
129 Main St
1.7 miles away

Port Jefferson
407 E Main St Ste 17
1.9 miles away

Port Jefferson Station
544 Jefferson Plz
2.6 miles away

Reviews

*Comments below are not read by postal employees. Please do not post personal information.



*By clicking Submit, you agree to our Privacy Policy & Terms of Use.



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