Technical Specifications
04/20/2022
Technical Specifications
03/14/2022
Informed Delivery Mail.XML Mailer Guide

This is a guide for submitting campaigns to PostalOne! via Mail.XML.

Technical Specifications
03/14/2022
Informed Delivery Mail.dat Mailer Guide

This is the mailer guide for creating campaigns via Mail.dat and submitting them to PostalOne! via eDoc submission.

Technical Specifications
03/03/2022
Labeling List Changes Effective April 1, 2022

Effective April 1, 2022, we are revising Labeling List(s) L006, L012, L201, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings that are inducted on or after the April 1, 2022, effective date, but no later than May 31, 2022, expiration date. The changes will be published in the Postal Bulletin, Issue #22593.

Technical Specifications
12/10/2021
USPS Blue Collection Box Location Dataset ICD

The dataset contains the United States Postal Service® collection box locations and includes times when the mail is collected from these boxes.

Technical Specifications
12/10/2021
Post Office™ Location Dataset ICD

The dataset contains the United States Postal Service® Post Office locations including the services provided and hours of operations. It also includes the Contract Post Office locations where USPS® products and service can be found.

Technical Specifications
12/10/2021
Mail.XML Technical Specifications R54.0.0.0 V3

This document contains information pertaining to Mail.XML and the USPS PostalOne! Release 54.0.0.0 taking place in January 2022.

Technical Specifications
12/10/2021