CASS Intelligent Mail Barcode (IMb) Standards & Application

Question 1

What does the abbreviation 'IMb' stand for in USPS postal operations?

Accepted Answer

Intelligent Mail barcode

Answer

Integrated Mail Barcode

Answer

Interactive Mailing Barcode

Answer

Indexed Mail Batch

Question 2

How many bars does a complete Intelligent Mail barcode contain?

Accepted Answer

65

Answer

52

Answer

58

Answer

72

Question 3

Which legacy USPS barcodes did the Intelligent Mail barcode replace?

Accepted Answer

POSTNET and PLANET

Answer

Code 128 and PDF417

Answer

DataMatrix and QR Code

Answer

UPC-A and EAN-13

Question 4

What is the Service Type Identifier (STID) component of the IMb?

Accepted Answer

A 3-digit code identifying mail class and special services requested

Answer

A 2-digit code identifying the mail class

Answer

A 6-digit code assigned to the mailer by USPS

Answer

A 9-digit code representing the delivery point

Question 5

How many digits can a USPS-assigned Mailer ID (MID) contain in the Intelligent Mail barcode?

Accepted Answer

6 or 9 digits

Answer

4 or 7 digits

Answer

5 or 8 digits

Answer

7 or 10 digits

Question 6

What is the maximum number of digits in the Routing Code field of the Intelligent Mail barcode?

Accepted Answer

11 digits (ZIP+4 plus delivery point)

Answer

5 digits (ZIP Code only)

Answer

9 digits (ZIP+4)

Answer

13 digits (ZIP+4 plus delivery point plus check digit)

Question 7

Which of the following best describes the Full-Service Intelligent Mail barcode option?

Accepted Answer

A program offering additional postage discounts in exchange for unique barcodes and electronic documentation submission

Answer

Using the IMb only on the mailpiece exterior with no other requirements

Answer

A service that provides address correction information only, with no discount

Answer

A barcode printed on both the front and back of the mailpiece