Domestic Mail Manual (DMM): Mailing Standards of the U.S. Postal Service effective June 20, 2021

Here is the Domestic Mail Manual (DMM) revised and updated effective June 20, 2021 — the Mailing Standards of the United States Postal Service, updated 8-20-21:

U.S. Postage Rates All Classes Effective August 29, 2021

100 Retail Mail Letters, Cards, Flats, and Parcels
200 Commercial Mail Letters, Cards, Flats, and Parcels
500 Additional Mailing Services
600 Basic Standards For All Mailing Services
700 Special Standards
Index and Appendices

100 Retail Mail Letters, Cards, Flats, and Parcels

Design Standards
101 Physical Standards
102 Elements on the Face of a Mailpiece

110 Priority Mail Express
113 Prices and Eligibility
114 Postage Payment Methods
115 Mail Preparation
116 Deposit

120 Priority Mail
123 Prices and Eligibility
124 Postage Payment Methods
125 Mail Preparation
126 Deposit

130 First-Class Mail and First-Class Package Service — Retail
133 Prices and Eligibility
134 Postage Payment Methods
135 Mail Preparation
136 Deposit

140 Every Door Direct Mail-Retail (EDDM-Retail)
143 Prices and Eligibility
144 Postage Payment and Documentation
145 Mail Preparation
146 Enter and Deposit

150 USPS Retail Ground
153 Prices and Eligibility
154 Postage Payment Methods
155 Mail Preparation
156 Deposit

170 Media Mail and Library Mail
173 Prices and Eligibility
174 Postage Payment and Documentation
175 Mail Preparation
176 Deposit and Entry

200 Commercial Mail Letters, Cards, Flats, and Parcels

Design Standards
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
213 Prices and Eligibility
214 Postage Payment and Documentation
215 Mail Preparation
216 Enter and Deposit

220 Priority Mail
223 Prices and Eligibility
224 Postage Payment and Documentation
225 Mail Preparation
226 Enter and Deposit

230 First-Class Mail
233 Prices and Eligibility
234 Postage Payment and Documentation
235 Mail Preparation
236 Enter and Deposit

240 USPS Marketing Mail
243 Prices and Eligibility
244 Postage Payment and Documentation
245 Mail Preparation
246 Enter and Deposit

250 Parcel Select Parcels
253 Prices and Eligibility
254 Postage Payment and Documentation
255 Mail Preparation
256 Enter and Deposit

260 Bound Printed Matter
263 Prices and Eligibility
264 Postage Payment and Documentation
265 Mail Preparation
266 Enter and Deposit

270 Media Mail and Library Mail
273 Prices and Eligibility
274 Postage Payment and Documentation
275 Mail Preparation
276 Enter and Deposit

280 First-Class Package Service — Commercial
283 Prices and Eligibility
284 Postage Payment and Documentation
285 Mail Preparation
286 Enter and Deposit

500 Additional Mailing Services

503 Extra Services
Basic Standards for All Extra Services
Registered Mail
Certified Mail Services
Insured Mail
Certificates of Mailing
Return Receipt
USPS Tracking
USPS Signature Services
Collect on Delivery (COD)
Special Handling

505 Return Services
Business Reply Mail (BRM)
Permit, Pre-paid (Metered), and Courtesy Reply Mail
USPS Returns Service
Parcel Return Service
Bulk Parcel Return Service

507 Mailer Services
Treatment of Mail
Hold For Pickup
Address Correction Services
Package Intercept
Requesting Withdrawal and Disposal of a Mailing
Pickup on Demand Service
Mailing List Services
Address Sequencing Services
Informed Visibility
USPS Tracking Plus Service

508 Recipient Services
Recipient Options
Conditions of Delivery
Customer Mail Receptacles
Post Office Box Service
Premium Forwarding Services
Caller Service
General Delivery
Firm Holdout
Pandering Advertisements
Sexually Oriented Advertisements
Hold Mail Service

509 Other Services
Address Information System Services
Nonpostal Services
Money Orders

600 Basic Standards For All Mailing Services

Basic Standards
601 Mailability
602 Addressing
604 Postage Payment Methods and Refunds
607 Mailer Compliance and Appeals of Classification Decisions
608 Postal Information and Resources
609 Filing Indemnity Claims for Loss or Damage

700 Special Standards

Special Standards
703 Nonprofit USPS Marketing Mail and Other Unique Eligibility
705 Advanced Preparation and Special Postage Payment Systems
709 Negotiated Service Agreements

Index and Appendices
Appendix 1—Forms Glossary
Appendix 2—Summary of Changes


  • This holiday season, we know that identity thieves will be targeting not just our inboxes, but our mailboxes,” said District Attorney Vance. “So, we’re putting scammers on notice: the Manhattan D.A.’s Office has the expertise, resources, and partnerships in cybercrime and identity theft to find you and hold you accountable. We will continue to work hand-in-hand with the U.S. Postal Inspection Service and the NYPD to stamp out fraud and protect the integrity of a service relied upon by millions of New Yorkers." [...]
  • The U.S. Postal Service pursued a project to build and secretly test a blockchain-based mobile phone voting system before the 2020 election, experimenting with a technology that the government’s own cybersecurity agency says can’t be trusted to securely handle ballots. [...]
  • The United States Postal Service reported new service delivery performance metrics showing stable service performance for First-Class Mail, Marketing Mail and Periodicals through the first nine weeks of the fiscal first quarter. [...]
  • The United States Postal Service hereby gives notice of delayed implementation of the classification changes for the new Nonstandard Fees and Dimension Noncompliance Fee. Specifically, the Postal Service will delay implementation of those fees until April 3, 2022. [...]
  • Take advantage of USPS's Electronic Verification System (eVS) with Eii's Postal Steward eVS Solution. This is a fully integrated system for creating and submitting eVS mailings to the USPS's PostalOne! for greater ease of control over paying for and documenting your high-volume mailings. [...]
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  • Alliance Rubber offers more than just rubber bands. Its Mailing/Storage Tubes are designed for anything that can be rolled in a commercial grade .050" wall thickness [...]
  • The USPS released Important information about upcoming January 2022 Release changes … (click to [...]
  • The Postal Regulatory Commission announced today that Michael M. Kubayanda has returned to the agency as chairman. After being re-nominated by President Joseph R. Biden and unanimously confirmed by the U.S. Senate, Chairman Kubayanda was sworn back into office today, December 9, 2021, to serve a term through November 22, 2026. [...]
  • Supply chain disruptions, transportation network challenges and various reasons for downtime at mills added stress to the already limited paper market. Coated freesheet inventories were low to begin with and haven’t been able to keep up with further shortages caused by plants going offline. [...]
  • From CNBC: Dave Clark, Amazon’s CEO of worldwide consumer, told CNBC on Monday that the company is on track to become the nation’s largest delivery service by the end of [...]
  • From Detroit News: An Amazon Web Services outage is wreaking havoc on the e-commerce giant’s delivery operation, preventing drivers from getting routes or packages and [...]
  • MAILCOM returns from its COVID hiatus with the MAILCOM 2022 Annual Spring Convention, March 28-30 at the Tropicana in Atlantic City. Updates and registration information can [...]
  • Polaris Direct has installed a second Truepress Jet520ZZ and two Bowe Systec Fusion Cross inserters to handle the growing demand for Roll-Fed Digital Inkjet technology. Pictured is the Polaris Direct team with the new Truepress. [...]
  • BlueCrest, the former Pitney Bowes DMT, has acquired Fluence Automation, formerly the sortation business of Bell and Howell. Fluence will become part of BlueCrest, and in the short-term will be referred to as Fluence Automation, A BlueCrest Company. [...]