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 Search Tool
- PACT Act Information and Forms (Including ENDS/Vaping Requirements)
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International Mail
- International Mail Manual (IMM)HTML|PDF
- IMM Subject IndexHTML|PDF
- Individual Country ListingsHTML|PDF
- Country Price Groups and Weight LimitsHTML|PDF
DMM and IMM Pending Updates
- DMM and IMM UpdatesDocuments
Prices
- Price List (Notice 123)HTML|PDF
- July 2023 Price Change Effective 07/09/23Documents