Check out the new Postal Customer Guide!
This guide explains the domestic and international products and services for mailing and shipping available for individuals, businesses, and organizations. The Postal Service offers several options for domestic and international mailing and shipping for retail and commercial services.
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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
- January 2025 Price Change Effective 01/19/25Documents
- Time-Limited Price Change 2024 10/06/24 - 01/19/25Documents
Network Redesign