Clayton Post Office, 7750 Maryland Ave

63105 Clayton Post Office 7750 Maryland Ave, Missouri opening hours, phone number and location on the map.

ADDRESS: 7750 Maryland Ave, Missouri,
ZIP CODE: 63105
PHONE NUMBER: +1 3148621822
TTY: 8778892457
TOLL-FREE: +1 1-800-Ask-USPS® (275-8777)

Should you have additional questions about post office tracking, please do not hesitate to call Clayton Post Office by the phone number +1 3148621822.


Clayton Post Office rating
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ZIP Code 63105 are an integral part of making sure the mailpiece is processed quickly and efficiently. Mailpieces with a ZIP Code 63105 are processed quickly and efficiently.

Clayton Post Office hours of operation

Bulk mail acceptance hours:
Monday to Friday 10:00 AM - 5:00 PM
Saturday-Sunday Not working
Carrier facility hours:
Monday to Saturday 7:00 AM - 4:00 PM
Sunday Closed
Global express guaranteed hours:
Monday to Friday 9:00 AM - 6:30 PM
Saturday 9:00 AM - 3:00 PM
Sunday Closed
Last collection times:
Monday to Friday 5:00 PM
Saturday 3:30 PM
Sunday Closed
Lobby hours:
Monday-Sunday 12:01 AM - 11:59 PM
Passport acceptance hours:
Monday to Friday 10:00 AM - 4:00 PM
Saturday 9:00 AM - 12:00 PM
Sunday Closed
Pickup services hours:
Monday 9:00 AM - 5:00 PM
Tuesday-Friday 9:00 AM - 6:30 PM
Saturday 9:00 AM - 3:00 PM
Sunday Closed
Pobox access hours:
Monday-Sunday 12:01 AM - 11:59 PM
Retail hours:
Monday to Friday 9:00 AM - 6:30 PM
Saturday 9:00 AM - 3:00 PM
Sunday Not working
The Postal Service provides mail processing and delivery services to individuals and businesses in the U.S. You can see all the reviews about Clayton Post Office. Don't hesitate to call or email for your personal needs, you are essential to our effective operation. For more information contact us using the Postal Email or call: +1 3148621822.

The map and information below will help you find the closest US Post Offices near you.
Find the Clayton Post Office, 7750 Maryland Ave on the map.
GPS location: lat 38.651483000000503, lon -90.336152578999602

Our site is not affiliated with the USPS. For more infomation please visit the official USPS website.

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Clayton Post Office Reviews

  1. Beware… Although I’ve used the indoor mail box to send bills for payment, this is the third time I’ve had to put a stop payment on missing mail that any mail, being sent first class, has gone MIA from this post office. Other citizens have had their checks stolen from this PO. Honestly, I believe it’s an inside job. A postal employee is stealing the mail in hopes of getting rich. Why are the FBI NOT INVESTIGATING THE POSTAL EMPLOYEES AT THIS POST?

  2. I am horrified at the service I received. As a hard of hearing person, I have difficulty hearing through masks so I asked the clerk, Debbie to write down some info for me. After repeatedly requesting that, she finally wrote out one sentence, which I greatly appreciated. My next question was simply when would my package arrive at the destination and she refused to write down one word… I begged her to write down when my package would arrive but she refused. No idea why.. Then she shoved her name tag up to the window as she was saying something which I could not decipher through her mask. I was so upset and frustrated. I took my package back and went to UPS store in Olivette and paid a little bit more but got excellent service. (It happens to be owned and operated by Deaf individuals). Please give them your business if you want friendly, professional service. I will never go back to this branch and I will speak to my friends, neighbors, relatives and co workers about this incident.