Finding the Product Code Number (PCN) and serial number on your mailing system

Alert: The USPS has discontinued all IBI meter technology, and many devices must be returned and withdrawn from service by the end of 2024. If your device is affected, new business rules will disrupt your mailing operation. Check Your Account to see if your device is affected and contact your Account Representative to migrate to a compliant solution.

Your meter’s serial number and Product Code Number (PCN) can be found on a silver sticker on your mailing system.

• Product Code Number (PCN), the meter model identifying number.
  • Usually referred to as the "PCN #" on the silver stickers.
• Serial Number, the identification number registered with the USPS for the postage meter license.
  •  A 7-digit number also referred to as the ‘meter number’.
  • Usually referred to as the "meter #" or "meter No" on the silver stickers.
    • The meter serial number is

Select your meter for help identifying the serial number and Product Code Number (PCN) on your Pitney Bowes mailing system.

• SendPro Mailstation
• SendPro C, SendPro+ | SendPro Lite, SendPro C Auto
• Connect+ Series, SendPro P-Series
• mailstation, mailstation2
• DM100i, DM125, DM200L, DM225
• DM300C, DM400C, DM450C, DM475
• DM Infinity
• SendPro MailCenter

SendPro Mailstation

• Your PCN is one of these values: HZ00, HZ0R, HZ0L
• Your serial number (S/N) is a 7-digit number.

SendPro C, SendPro+, SendPro Lite, SendPro C Auto

• Your PCN is one of these values: 2H00, 2H0R, 8H00, 8H05, 8H0R, 9H00, 9H05, 9H0R.
• Your serial number (S/N) is a 7-digit number.

Lift the scale to locate a sticker with the PCN and serial number.

Connect+ Series, SendPro P-Series

• Your PCN is one of these values: MSF1, MSF2, MSF3 MSF4, MSF5, MSF6, MS1R, MS2R, MS3R, MS4R, MS5R, MS6R.
• Your serial number is a 7-digit number.

Lift the front lid to locate stickers with the PCN and serial number.

mailstation, mailstation2

• Your PCN is one of these values: K700, K705, K7M0.
• Your serial number (meter #) is a 7-digit number.

DM100i, DM125, DM200L, DM225

• Your PCN is one of these values: P700, P705, P7L1, P7L5, PR00, PR05, PRL1, PRL5.
• Your serial number (meter #) is a 7-digit number.

DM300C, DM400C, DM450C, DM475

• Your PCN is one of these values: G900, G905, G910.
• Your serial number (meter #) is a 7-digit number.

You can also locate the serial number on the front bottom section of the meter.

DM Infinity

• Your PCN is one of these values: 1T00, 1T04, 1T05.
• Your serial number (meter #) is a 7-digit number.

SendPro MailCenter

• Your PCN is one of these values: HVF1, HVF2, HVF3.
• Your serial number is a 7-digit number.

The PCN and serial number is located on the top cover.

Related topics

• Parts of a meter stamp