Technical Specifications
10/22/2017
Postal Service Mail.dat Tech Specs Version 2 Release 46
Release Notes
10/20/2017
PostalOne! Release 46.0.0.0 Pre-Release Notes - Change 2.1
Release Notes
10/20/2017
PostalOne! Release 46.0.0.0 Pre-Release Notes - Change 2.0
Release Notes
10/19/2017
EPS Pre-Release Notes 3.0.0.0
Fact Sheets
10/11/2017
CASS™ Cycle N Disclaimer for Stage 1 file processed with SHA 256 static data
Data Files
10/10/2017
CASS™ Cycle N - Stage 1 file processed with SHA 256 data
Release Notes
10/05/2017
PostalOne! System Release R46.0.0.0 Pre Release Notes - Change 1.0
Announcements
10/03/2017
Hurricane Information

For updates of operations please follow this link to USPS Service Alerts

 

 

Tech Guides
10/02/2017
Postal Service Mail.xml Technical Specifications
Data Files
10/01/2017
L607 3-Digit ZIP Code Sort Option for Drop-Ship Mailers

L607 lists the 5-digit ZIP Codes for machinable parcels eligible to be entered at designated SCFs when sorted into 3-digit containers. The corresponding rate eligibility and mail preparation standards are described in 456.2.2, 466.4.1, and 466.4.2.