O Fallon in O Fallon, MO

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The O Fallon is located in O Fallon, Missouri. If you live in the area and need to obtain services related to receiving or sending mail, your MO post office can assist you. Representatives at the post office name can help you send and receive letters. They can also help you by holding your mail if you are traveling for an extended period of time and will not be in O Fallon to receive your letters and packages.

If you need to apply for a passport, the workers at the O Fallon may also be able to assist you. Post offices in O Fallon and other parts of the country serve as passport application acceptance facilities. This means that you can go to the MO post office and apply for your travel credential. However, you can only apply at an office if you are a first-time applicant or if your most recent travel document was a child passport.

Where is the O Fallon located?

The post office name is located at 401 Church St
O Fallon, MO 63366. If you live near the office and have questions, you can go there and speak with a representative. You can also call this MO post office at You can call the O Fallon post office location at 636-272-3811 (TTY: 877-889-2457). You can fax them at 651-456-6627.. The individual you speak with can also let you know if you need to schedule an appointment in order to obtain passport services at the O Fallon.

This page provides details for the O Fallon post office located at 401 Church St O Fallon Missouri 63366. Below you will find the post office phone number, hours of operations, what services they provide and other useful information to help you determine if this is the post office location you are looking for. The people working at this location should be able to assist you with things like changing your mailing address, assist in helping you file a claim for missing mail and sell office supplies like stamps, money orders and if available, PO boxes. If you plan to visit this O Fallon post office in Missouri, then we recommend you contact them first to verify their address and the services they provide, as this may have changed. It appears this office provides US passport services. Contact this location to see how you can apply for a new passport and if they offer photo services.

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O Fallon Post Office On-Site Services

  • 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
  • Global Express Guaranteed®
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • PO Box Online
  • Packaged Stamps
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Priority Mail International®
  • Sure Money
  • Post Office Location
  • 401 Church St
    O Fallon, MO 63366

    Lot Parking Available Passport Services Available
  • Post Office Phone Numbers
  • You can call the O Fallon post office location at 636-272-3811 (TTY: 877-889-2457). You can fax them at 651-456-6627.

  • Update Post Office
  • If the details for this O Fallon post office is incorrect, please click here to submit the updated information.