USPSFinal Rule
Optional 5-Digit/3-Digit/ADC Sortation
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Summary
This USPS rule allows mail carriers to use a simpler sorting system with 5-digit zip codes, 3-digit zip codes, or special delivery codes instead of the more detailed 11-digit barcodes currently required. The change is designed to make mail sorting faster and more flexible for different types of mail services.
Key Points
- 1The USPS can now accept mail sorted into broader geographic groups (5-digit or 3-digit zip codes) instead of requiring highly detailed sorting codes for every piece of mail
- 2This gives postal facilities more flexibility in how they organize and process mail depending on their equipment and operations
- 3The change may speed up mail processing by reducing the complexity of sorting requirements at certain facilities
- 4Mail delivery to your address is not affected—this only changes how postal workers organize mail behind the scenes
- 5The rule applies to optional sortation methods, meaning USPS facilities can choose to use this system or continue with their current sorting approach
Key Dates
Published
May 16, 2025
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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