Effective September 1, 2025, the Postal Service™ will revise Labeling List(s) L007, L012, L051, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the September 1, 2025, effective date through the October 31, 2025, expiration date.
Labeling Lists
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L007 5-Digit Scheme — Periodicals, Standard Mail, and Package Services Flats in Bundles
Changes
Newly Added
Deleted
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L012 5-Digit ZIP Scheme Combination
Due to the extensive number of changes to the L012, these changes will not be published in the Postal Bulletin.
The changes effective September 1, 2025, for the L012 can be found in Postal Pro at the following link: postalpro.usps.com/operations/labeling-lists/changes-september-2025.
All other EELLs changes effective September 1, 2025, can be found in Postal Pro as well.
L051 DSCF for Parcel Select
Changes
* * * * *
L606 5-Digit Scheme — Standard Mail, First-Class Mail, and Package Services Parcels
* * * * *
Deleted
— Logistics, Network Development, and Support,
Network Operations, 8-21-25
