Grain Valley Post Office

112 W Walnut St, Grain Valley, MO 64029

*The Post Office will be closed July 4th for Independence Day

Contact Numbers:

Phone: 816-228-2024
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours

Monday-Friday 9:30am - 11:30am, 12:30pm - 4:30pm
Saturday 9:00am - 12:00pm
Sunday Closed

Pickup Services Hours

Monday-Friday 9:30am - 11:30am, 12:30pm - 4:30pm
Saturday 9:00am - 12:00pm
Sunday Closed

Lobby Hours

Monday-Sunday 12:01am - 11:59pm

PO Box Access Hours

Monday-Sunday 12:01am - 11:59pm

Last Collection Times

Monday-Friday 4:30pm
Saturday 11:30am
Sunday Closed

Global Express Guaranteed® Hours

Monday-Friday 9:30am - 11:30am, 12:30pm - 4:30pm
Saturday 9:00am - 12:00pm
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
  • Global Express Guaranteed®
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Priority Mail International®

Visit our Links Page for Change of Address, Hold Mail/Stop Delivery, PO Boxes™ rentals and fees, Rates on Postage Stamps and Freight/Shipping, Holidays, Bulk Mail, Money Orders, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Oak Grove
1700 S Broadway
2.9 miles away

Blue Springs
200 NW 11th St
3.2 miles away

Buckner
16 Washington St
4.7 miles away

Levasy
212 Main St
5.4 miles away

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