Domestic Mail
- Domestic Mail Manual (DMM)HTML|PDF
- DMM Subject IndexHTML|PDF
- DMM Summary of ChangesHTML|PDF
- Quick Service GuidesHTML|PDF
- Customer Support Rulings (CSR)HTML
- Postal Addressing Standards (PUB 28)HTML|PDF
- Nonprofit USPS Marketing Mail Eligibility (PUB 417)HTML|PDF
- A Customer's Guide to Mailing (DMM 100)HTML|PDF
- Hazardous, Restricted, and Perishable Mail (PUB 52)HTML|PDF
- HAZMAT PUB Search
International Mail
- International Mail Manual (IMM)HTML|PDF
- IMM Subject IndexHTML|PDF
- Individual Country ListingsHTML|PDF
- Country Price Groups and Weight LimitsHTML|PDF
Prices
- Price List (Notice 123)HTML|PDF
- January 2021 Price Change Effective 1/24/21Documents
- January 2020 Price Change 1/26/20-10/17/20 & 12/27/20-1/23/21Archive
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