Setauket Post Office
101 Main St, Setauket, NY 11733
Phone: 631-941-4042
Fax: 631-689-2173
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
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
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
- 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
Suffolk County