Wynantskill Post Office

85 Main Ave, Wynantskill, NY 12198

Contact Numbers

Phone: 518-283-5678
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
PO Box Access Available

Monday 7:00am - 5:15pm
Tuesday 7:00am - 5:15pm
Wednesday 7:00am - 5:15pm
Thursday 7:00am - 5:15pm
Friday 7:00am - 5:15pm
Saturday 7:00am - 3:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:00pm
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 Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking

Visit our Links Page for links to 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:

400 Broadway
2.2 miles away

West Sand Lake
38 Mall Way
2.5 miles away

145 16th St
2.6 miles away

Green Island
137 George St
2.7 miles away


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I have two problems right now: The first is that I had my mail on hold for four days, but none of it was delivered on the 5th day. I know that because I subscribe to Informed Delivery and could see what mail was supposed to be delivered. The second issue is that I have been trying to call the Post Office during their scheduled business hours. No one has answered the phone on the 3 times I've tried.


I have used this post office to mail several packages over the past few months. While it is convenient for me to stop on my way home, I have not been satisfied with the service at this location. I have not been asked how I would like my packages to be send (overnight, 2 day, etc) and I have had to mention myself that I would like signature confirmation added, sometimes after a shipping option has already been selected and printed without my knowledge. Asking how you would like something shipped seems very basic to me. Bradley also fails to ask if I would like cash back with my purchase. The last time I sent a package I was asked but he selected "no cash back" before I could open my mouth. He then criticized me for not letting me know quick enough. Although this post office is not very busy be prepared to wait in line as Bradley has long conversations with other customers. He seems to go out of his way to strike up a conversation so be prerared.

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