Pricing & Classification DMM Advisory

Message board to keep postal customers informed of changes to mailing standards, services, and prices.

August 16, 2021

Monthly Labeling List Changes

Effective September 1, 2021, the Postal Service™ will revise Labeling List(s) L006, L007, L012, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the September 1, 2021, effective date through the October 31, 2021, expiration date. The changes can be found in the August 12, 2021, Postal Bulletin.

Current Labeling Lists can be found on the FAST website at

The Domestic Mail Manual (DMM®) and DMM Advisories are available on Postal Explorer® (