Data Files
01/08/2018
LACSLink® Zip Codes

This text file includes the cumulative listing of ZIP(C) Codes covered by the LACS database.

Technical Specifications
01/05/2018
Mail.dat Technical Specifications R47 V4

Version 4 of the comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! system.

Release Notes
01/04/2018
PostalOne! R47.0.0.0 Pre-Release Notes Change 2.0
User Guides
01/02/2018
Computerized Delivery Sequence (CDS) Conversion Software User Guide (Linux-Unix-Sun32)

This document contains the Linux/ Unix conversion software user guide for the CDS product.

User Guides
01/02/2018
Computerized Delivery Sequence (CDS) Conversion Software User Guide (Windows)

This document contains the Windows software conversion user guide for CDS.

Release Notes
12/11/2017
PostalOne! R46.0.2.3 Release Notes Change 1.0
Presentations
12/05/2017
USPS Holiday Spanish Commercial
Presentations
12/05/2017
USPS Holiday Commercial
Release Notes
12/04/2017
PostalOne! R46.0.2.2 Release Notes Change 1.0
Release Notes
11/30/2017
PostalOne! R46.0.2.2 Pre-Release Notes Change 1.0