Mail Piece Design & Information.


The USPS Quick Service Guide is an invaluable tool in keeping up with postal regulations. On the down side, it’s pretty hefty. Below are specific pages that you might find useful as an overall description of mailing services and specifications.

Mailing Links

Service Endorsements

Physical Standards for LETTERS and CARDS

Physical Standards for FLATS

Designing Letters and Cards

Courtesy Reply Mail

Business Reply Mail

Glossary

Tabbing Requirements

Tabbing Placement

Postal Permits