Grain Valley Post Office

112 W Walnut St, Grain Valley, MO 64029

Contact Numbers

Phone: 816-228-2024
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 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 11:30am
Sunday Closed

Passport Walk-In Hours

Monday 1:00pm - 2:00pm
Tuesday 10:00am - 11:00am
Wednesday 10:00am - 11:00am
Thursday 10:00am - 11:00am
Friday 10:00am - 11:00am
Saturday Closed
Sunday Closed

Passport Appointment Hours

Monday 9:30am - 11:30am, 12:30pm - 4:30pm
Tuesday 9:30am - 11:30am, 12:30pm - 4:30pm
Wednesday 9:30am - 11:30am, 12:30pm - 4:30pm
Thursday 9:30am - 11:30am, 12:30pm - 4:30pm
Friday 9:30am - 11:30am, 12:30pm - 4:30pm
Saturday 9:30am - 11:30am
Sunday Closed

  • Visit our Passport FAQ page for a complete overview of what to bring, what you need to know, and how long it will take.
  • You will need two forms of Identification with copies.
  • A passport quality photo. Available at location.
  • The appropriate application form printed and filled out, and the required fee for applying or renewing.
  • You can find up to date costs, information, and forms at the State Departments Travel Site

*Appointments are required outside of walk-in hours to apply for or renew US Passports. Please Call or schedule online.

Bulk Mail Acceptance Hours

Monday 10:00am - 11:00am, 1:00pm - 3:30pm
Tuesday 10:00am - 11:00am, 1:00pm - 3:30pm
Wednesday 10:00am - 11:00am, 1:00pm - 3:30pm
Thursday 10:00am - 11:00am, 1:00pm - 3:30pm
Friday 10:00am - 11:00am, 1:00pm - 3:30pm
Saturday Closed
Sunday Closed

  • 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)
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • PO Box Online
  • Lot Parking
  • Passport Appointment Hours

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:

Blue Springs
500 SW South Ave
2.8 miles away

Oak Grove
1700 S Broadway
2.9 miles away

Buckner
16 Washington St
4.7 miles away

Bates City
404 E Highway Z
5.2 miles away

Reviews

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My friends in California didn't receive there letters
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Wife is in surgery. I came home rather than wait 2 hours at hospital which is 5 minutes from house. Call from mail order pharmacy that I need to sign for prescription. Blue Springs MO PO won't answer local number. 800 number asks for package #. Typed in 4 times response was out for delivery, no option for live person to reschedule delivery or get closer estimate of time to be here. I have my own Dr. appointment at 1. NO live answer available. YOUR SYSTEM SUCKS FOR THOSE OF US WHO DO NOT DO BUSINESS BY TEXT! I KNOW TAXES DON'T COVER YOUR SERVICE BUT FEES DO. WHOEVER SET UP THIS SYSTEM HAS HIS OR HER HEAD UP HER ASS FOR SENIOR CITIZENS THAT DO NOT TEXT!!! STICK YOUR WHOLE SYSTEM UP THERE!!
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Why did my neighbor just deliver my mail to me and we have delivered mail to our neighbors over the past several months. Have had mail for a person who hasn't lived here for 3 years and mail to someone whose address only has 200 in common to our address Sent twice.
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I've had a package say it's been given to a local postal office and I tried calling but only get answered by a machine.
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Received notice package delivered at 11:11A. M. today; Tracking no, 9361289761009019142941 No package at door or in curbside mail box. Where is it?
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