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



4900 NW Gateway Ave, Riverside, MO 64150

Contact Numbers

Phone: 816-584-9912
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 12:30pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.





  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Sure Money
  • 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:

Gladstone
7170 N Broadway St
2.0 miles away

North Kansas City
820 Armour Rd
2.4 miles away

Barry Woods Annex
8320 N Platte Purchase Dr
2.5 miles away

Civic Center
550 Nebraska Ave
2.6 miles away

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