How to find the serial number on the DM300c, DM400c, DM450c and DM475
Products affected: DM300C™, DM400C™, DM450C™, and DM475™
The meter serial number is the identification number registered with the USPS for the postage meter license. The following images show the exact location of the meter identification number on the indicia, on the meter identification tag, on a printed report, and through a desktop application.
Indicia that the meter prints show the meter serial number
Identification tag on the meter - The serial number is on the front bottom section of the meter. The serial number is referred to as the Meter #."
Reports - The meter serial number can be identified through a printed report, such as a funds report, where the meter number is labeled as "PBP Serial No."
PC Meter Connect - If you are using a digital mailing system with the enhanced version of PC Meter Connect, you can verify the meter serial number through the desktop application. Right-click on the PC Meter Connect system tray icon and select "About Your Meter."