Rxr Plaza Post Office

100 Rxr Plz, Uniondale, NY 11556

Contact Numbers

Phone: 516-794-2053
Fax: 516-794-2053
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours

Monday 12:00pm - 3:00pm, 3:15pm - 5:00pm
Tuesday 12:00pm - 3:00pm, 3:15pm - 5:00pm
Wednesday 12:00pm - 3:00pm, 3:15pm - 5:00pm
Thursday 12:00pm - 3:00pm, 3:15pm - 5:00pm
Friday 12:00pm - 3:00pm, 3:15pm - 5:00pm
Saturday Closed
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.

  • Business Line
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • 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:

1000 Front St
0.6 mile away

Western Nassau
830 Stewart Ave
0.9 mile away

East Meadow
446 E Meadow Ave
1.1 miles away

Roosevelt Field
630 Old Country Rd Unit 507
1.4 miles away


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