Pricing & Classification DMM Advisory

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

March 28, 2023

Monthly Labeling List Changes

Effective April 1, 2023, the Postal Service™ will revise Labeling List(s) L001, L007, L009, L011, L012, L051, L201, 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 April 1, 2023, effective date through the May 31, 2023, expiration date. The changes can be found in the March 23, 2023, Postal Bulletin.

Current Labeling Lists can be found on the FAST website at