Fact Sheets
11/02/2020
Addressing Fact Sheet for Package Services Flats

This document is for mailers who are sending Flat-size Bound Printed Matter (such as catalogs) using the Presorted or Carrier Route prices or Flat-size Media Mail or Library Mail (such as large envelopes) using the Presorted prices.

Fact Sheets
11/02/2020
Addressing Fact Sheet for Periodicals Flats

An overview of new address requirements for mailers who are sending flat-size Periodicals (such as magazines and newspapers).

Fact Sheets
10/21/2020
Seamless Acceptance FAQs (October 21, 2020)
Fact Sheets
09/23/2020
Service Performance Measurement Fact Sheet

This document provides information for Service Performance Measurement.

Fact Sheets
09/11/2020
Customer Registration Identification (CRID) and Mailer Identifier (MID) Acquisition Fact Sheet

This document provides an overview of the methods customers can use to request a Mailer ID (MID) or Customer Registration ID (CRID) from the Postal Service.