Jamesport Post Office

1451 Route 25, Jamesport, NY 11947

Contact Numbers

Phone: 631-722-5946
Fax: 631-722-5637
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 7:00am - 5:00pm
Tuesday 7:00am - 5:00pm
Wednesday 7:00am - 5:00pm
Thursday 7:00am - 5:00pm
Friday 7:00am - 5:00pm
Saturday 7:00am - 1:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
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
  • 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:

South Jamesport
70 2nd St
0.6 mile away

Laurel
2168 Main Rd
1.1 miles away

Aquebogue
212 Linda Ave
2.1 miles away

Mattituck
140 Love Ln
2.8 miles away

Reviews

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At jamesport post office today 6/4/[email protected] 9:52 am Post worker not wearing a mask while taking care of customers
Reply

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Who cares !!!! Y’all got to stop picking on all the non mask ,unvaccinated people. This post office and its staff is stellar. You don’t like them not wearing a mask take yourself elsewhere. Merry Christmas to all who work here and thank you for all you do for us.
• Replied to Tandi


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