USPS Intelligent Mail Barcode 4-State Specification
Submitted 2 years ago by 57H to bookmarks
https://postalpro.usps.com/storages/2017-08/2190_USPSB3200IntelligentMailBarcode4State_0.pdf
Submitted 2 years ago by 57H to bookmarks
https://postalpro.usps.com/storages/2017-08/2190_USPSB3200IntelligentMailBarcode4State_0.pdf