Defiance Post Office 63341

This page provides details for the Defiance post office located at 2959 S Highway 94 Defiance Missouri 63341. 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 Defiance 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.

Defiance 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
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Priority Mail International®
  • Sure Money
  • Post Office Location

  • 2959 S Highway 94
    Defiance, MO 63341

    Lot Parking Available
  • Post Office Phone Numbers

  • You can call the Defiance post office location at 636-987-2407 (TTY: 877-889-2457).

  • Update Post Office

  • If the details for this Defiance post office is incorrect, please click here to submit the updated information.