VERIFIED SOLUTION i

Can MailStream Plus and/or Mail360 Manager create IMb's if the ZIP Code is less than a full 11-bytes

MailStream Plus™, all versions, all platforms
Mail360 Manager™, all versions, all platforms
Depending on the parameter settings, IMb's (Intelligent Mail barcode)  can be created at any of the allowed lengths: 31, 29, 25, or 20 bytes, depending on whether a record has a full 11-byte ZIP Code, or 9-bytes ZIP Code (no Delivery Point Code), or just a 5-digit ZIP, or no ZIP Code. 

The main parameters controlling this in MailStream Plus™ are ZIP IN , ALG PS, and whether there is a FILEDF MSSTOR in the job.
The main parameters in Mail360 Manager™ are ZIP IN and IMBCTL.
 
UPDATED:  May 14, 2019