Effective July 13, 2025, the Postal Service™ will revise Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM®), sections 123.2.1 and 223.3.1, to reflect an update in the service objective for Priority Mail® of 2 to 3 days for delivery.
Although the Postal Service will not publish these revisions in the DMM until July 13, 2025, the standards are effective immediately.
Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM)
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100 Retail Mail Letters, Cards, Flats, and Parcels
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120 Retail Mail Priority Mail
123 Prices and Eligibility
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2.0 Basic Eligibility Standards for Priority Mail
2.1 Description of Service
[Revise the text of 2.1 to read as follows:]
Priority Mail is an expedited service and may contain any mailable matter weighing no more than 70 pounds, except for APO and FPO mail subject to 703.2.0, 703.4.0, and U.S. Department of State mail subject to 703.3.0. Service objectives for delivery are 2 to 3 days. However, USPS does not guarantee the delivery time. Certain Priority Mail mailpieces, such as pieces containing hazardous material or considered nonstandard (e.g., oversized-priced pieces and nonstandard fee-priced pieces), may receive deferred handling.
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200 Commercial Letters, Cards, Flats, and Parcels
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220 Commercial Mail Priority Mail
223 Prices and Eligibility
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3.0 Basic Eligibility Standards for Priority Mail
3.1 Description of Service
[Revise the third and last sentences of 3.1 to read as follows:]
***Service objectives for delivery are 2 to 3 days. ***Certain Priority Mail mailpieces, such as pieces containing hazardous material or considered nonmachinable (e.g., oversized-priced pieces and nonstandard fee-priced pieces), may receive deferred handling.
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The Postal Service will incorporate these revisions into the next edition of the online DMM, which is available via Postal Explorer® at pe.usps.com.
— Product Classification,
Product Solutions, 5-29-25
