Domestic Mail Manual (DMM)
The DMM contains the official standards governing domestic mail services; descriptions of the mail classes and special services, and standards for rate eligibility and mail preparation. To order a printed copy of the Domestic Mail Manual contact the Superintendent of Documents at 202-512-1800.

You can view an electronic version of the Domestic Mail Manual on the Postal Explorer Home Page.

Pub 95, Quick Service Guide
This publication contains a collection of 47 individual Quick Service Guides. Each Quick Service Guide provides a 2-page summary of the standards in the Domestic Mail Manual (DMM). The Quick Service Guides summarize the mailing standards for a particular class of mail or preparation option and links to the DMM. You can view electronic versions of the Quick Service Guides on the Postal Explorer Home Page.

Mailpiece Design Information.

Click on links to view the PDF or HTML files:

Physical Standards

201 Physical Standards for Discount Letters and Cards PDF or HTML
201a Designing Letters and Cards for Automated Processing PDF or HTML
201b Tabs and Wafer Seals PDF or HTML
301 Physical Standards for Discount Flats PDF or HTML
301a Designing Flats for Automated Processing PDF or HTML
401 Physical Standards for Discount Parcels PDF or HTML
401a Designing Parcels for Automated Processing PDF or HTML

Extra Services

507a Business Reply Mail (BRM) PDF or HTML
507b Courtesy Reply Mail (CRM) PDF or HTML
507c Meter Reply Mail (MRM) PDF or HTML