Parts of a postal frank
The postal frank contains elements that identify the mailer and the type of mail. Optional parts include
Envelope Messaging.
Required parts
1. An Post security numbers
2. Town Circle
3. Postage amount
4. Meter serial number
Optional parts
5. Optional Envelope Messaging
Postal Security Device
The postage meter on your mailing system is a Postal Security Device (PSD) that secures your
postage funds. It includes the latest technology approved by An Post. This technology eliminates the
need for An Post to perform physical inspections, thereby making your device easier and more
convenient for you to use.
Pitney Bowes
User Guide
December 2023
15 • Product Information
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