CASS Delivery Point Barcode Standards 2

Question 1

How many bars make up a complete POSTNET Delivery Point Barcode (DPBC)?

Accepted Answer

62 bars

Answer

A full POSTNET DPBC contains 62 bars: a framing bar on each end plus 60 bars encoding the ZIP+4 and delivery point digits.

Question 2

In POSTNET coding, each digit is represented by a combination of how many tall and short bars?

Accepted Answer

2 tall, 3 short

Answer

Each POSTNET digit is encoded with exactly 5 bars: 2 full-height (tall) bars and 3 half-height (short) bars.

Question 3

What is the purpose of the check digit at the end of a POSTNET Delivery Point Barcode?

Accepted Answer

It ensures the sum of all digits is a multiple of 10

Answer

The POSTNET check digit is chosen so that the sum of all encoded digits (including the check digit) equals a multiple of 10.

Question 4

Which USPS barcode replaced POSTNET as the preferred standard for automation-rate mailings?

Accepted Answer

Intelligent Mail Barcode (IMb)

Answer

The Intelligent Mail Barcode (IMb) replaced POSTNET and PLANET barcodes as the USPS standard for automation mail beginning in 2013.

Question 5

What delivery point digits are typically appended to the ZIP+4 in a POSTNET DPBC for a PO Box?

Accepted Answer

The PO Box number's last 2 digits

Answer

For PO Boxes, the delivery point is derived from the last two digits of the PO Box number.

(CASS) Coding Accuracy Support System Certification Practice Test