Nassau Post Office - near me location, phone, and lobby, Retail, last collection open hours at today or at Saturday, Sunday



10 Fairgrounds St, Nassau, NY 12123

Contact Numbers

Phone: 518-766-3322
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 6:00am - 5:30pm
Tuesday 6:00am - 5:30pm
Wednesday 6:00am - 5:30pm
Thursday 6:00am - 5:30pm
Friday 6:00am - 5:30pm
Saturday 6:00am - 2:00pm
Sunday Closed

Last Collection Times

Monday 4:45pm
Tuesday 4:45pm
Wednesday 4:45pm
Thursday 4:45pm
Friday 4:45pm
Saturday 10:45am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 8:00am - 11:30am, 1:00pm - 5:00pm
Tuesday 8:00am - 11:30am, 1:00pm - 5:00pm
Wednesday 8:00am - 11:30am, 1:00pm - 5:00pm
Thursday 8:00am - 11:30am, 1:00pm - 5:00pm
Friday 8:00am - 11:30am, 1:00pm - 5:00pm
Saturday 8:00am - 11:00am
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)
  • 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:

North Chatham
4241 Route 203
1.9 miles away

Malden Bridge
4691 State Route 66
2.1 miles away

East Schodack
1649 Columbia Turnpike
3.5 miles away

Niverville
845 Main St
3.5 miles away

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