DMMTOC - Postal Explorer 200 Commercial Mail Letters, Cards, Flats, and Parcels 201 Physical Standards 202 Elements on the Face of a Mailpiece 203 Basic Postage Statement, Documentation, and Preparation Standards 204 Barcode Standards 207 Periodicals 210 Priority Mail Express 220 Priority Mail 230 First-Class Mail 240 USPS Marketing Mail 250 Parcel Select Parcels 260 Bound Printed Matter 270 Media Mail and Library
DMM Mailing Standards of the United States Postal Service, Domestic . . . November 3, 2025 The Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM) provides the United States Postal Service’s official prices and standards for all domestic mailing services Many commercial mailers find it helpful to reference these standards as they prepare and enter mailings For household mailers who need information about retail products and services
DMM 508 Recipient Services - Postal Explorer 1 1 1 Delivery to Addressee Addressees may control delivery of their mail Without a contrary order, the mail is delivered as addressed Mail addressed to several persons may be delivered to any one of them
Summary of Changes This Summary of Changes to Mailing Standards of the United States Postal Service, International Mail Manual (IMM®) includes revisions that have become effective during the previous 12 calendar months In chapters 1–9 and in “Country Price Groups and Weight Limits” of this online version of the IMM, change bars (vertical lines in the margin) indicate that Postal Bulletin updates have
DMM 203 Basic Postage Statement, Documentation, and Preparation . . . Basic Documentation Standards [4-7-25] Documentation describes the preparation, price levels, and content of the mailing; details the volume and postage data; and, by comparison with the actual mailing it describes, supports the claims contained on the postage statement accompanying the mailing and allows the USPS to verify its accuracy Generally, documentation is required from a mailer when
DMM 101 Physical Standards for Retail Letters, Flats, and Parcels Not less than 5 inches long, 3-1 2 inches high, and 0 007-inch thick For pieces more than 6 inches long or 4-1 4 inches high, the minimum thickness is 0 009 (Pieces not meeting the 0 009 thickness are subject to a nonmachinable surcharge under 1 2f )