Port Jefferson Post Office
407 E Main St Ste 17, Port Jefferson, NY 11777
Phone: 631-473-1065
Fax: 631-928-4632
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 1:00pm
Sunday Closed
*This facility does not process US Passports applications or renewals. Check nearby locations below.
- Burial Flags
- Business Line
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- Duck Stamps
- 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:
Port Jefferson Station
544 Jefferson Plz
0.9 mile away
East Setauket
450 Route 25a
1.8 miles away
Setauket
101 Main St
1.9 miles away
Mount Sinai
457 Route 25a
1.9 miles away
Suffolk County