Saint Peters Post Office

7055 Mexico Rd, Saint Peters, MO 63376

Contact Numbers

Phone: 636-397-9022
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 6:00pm
Saturday 2:30pm
Sunday Closed

Passport Acceptance Hours

Monday 9:00am - 4:00pm
Tuesday 9:00am - 4:00pm
Wednesday 9:00am - 4:00pm
Thursday 9:00am - 4:00pm
Friday 9:00am - 4:00pm
Saturday 10:00am - 2:00pm
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

  • 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
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking

Visit our Links Page for links to 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:

Cottleville
5323 Highway N
2.0 miles away

Saint Charles South
1600 Woodstone Dr
2.4 miles away

O Fallon
401 Church St
3.3 miles away

Saint Charles
1890 1st Capitol Dr
5.6 miles away

Reviews

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My complaint is not with the post office it is with the mail carrier who services our business. He is the most unprofessional and rude mail carrier that we have ever had. He is not courteous or polite in anyway. He will not answer any questions or speak to me. I would really like to have this route reassigned as soon as possible.
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Need to get information according to the rental mailbox rate including the size of the rental mailbox. Thank you, Cheryl
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