Wainscott Post Office

357 Montauk Hwy, Wainscott, NY 11975

Contact Numbers

Phone: 631-537-8943
Fax: 631-537-5126
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 6:30am - 5:15pm
Tuesday 6:30am - 5:15pm
Wednesday 6:30am - 5:15pm
Thursday 6:30am - 5:15pm
Friday 6:30am - 5:15pm
Saturday 6:30am - 1:30pm
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

Bulk Mail Acceptance Hours

Monday 10:00am - 1:00pm, 2:00pm - 3:00pm
Tuesday 10:00am - 3:00pm
Wednesday 10:00am - 3:00pm
Thursday 10:00am - 3:00pm
Friday 10:00am - 3:00pm
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:

Sagaponack
127 Hedges Ln
1.5 miles away

Bridgehampton
2322 Montauk Hwy
2.5 miles away

East Hampton
12 Gay Rd
2.7 miles away

Sag Harbor
21 Long Island Ave
3.0 miles away

Reviews

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The people in the Wainscott post office are really friendly and efficient. I go there a lot and have never seen anyone lose their cool - even when a man screamed and berated the agent one busy Saturday for over 20 minutes as the line grew. Everyone in line could hear him with his aggressive and unreasonable attack ...... and agreed he was way out of line. He threatened to get the agent fired and took a photo of the post office info with his phone. Sorry for the late complaint ... it was about 2-3 weeks ago.
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