How to update the postal code on the DM300C, DM400C and DM475

Learn how to update the postal code on the DM300C, DM400C and DM475.
Products affected: DM300C™, DM400C™, and DM475™
The postal code printed by your postage meter should be your postal code.  If your postage meter is printing the incorrect postal code a new one will need to be downloaded.  An address change may be required, this can be updated via My Account or have a customer support agent perform the address change request.

The updated postal code will be made ready to download by Pitney Bowes, contact customer support from 8 am to 8 pm Eastern Time. Please have your model number and the new address ready.

Once the the new postal code is ready to download follow these steps:
  1. Connect your meter to an analog phone line, an USB cable for PC Meter Connect™ or LAN
  2. Press the Refill Postage button
  3. Press Page Down
  4. Select Check PBP Balance
  5. Press Enter

UPDATED: 14 August 2021

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