Direct Mail Resources

Click here to read about the new USPS standards for mailing booklets 

US Postal Service  Quick Service Guide 

The US Postal Service Quick Service Guide 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) for direct mail pieces. The Quick Service Guides summarize the mailing standards for a particular class of mail or preparation option and links to the DMM.

The following USPS Quick Service Guides contain mailpiece design information. Click on links to view the PDF or HTML files:

Physical Standards for Direct Mail Pieces 

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

You can view electronic versions of the Quick Service Guides on the Postal Explorer Home Page.

Learn about mailing services with these free Direct Mail and Mailing Services Articles