Effective September 1, 2026, the Postal Service™ will revise Labeling List(s) L007, L008, L012, L016, L201, L606, and L607 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, 2026, effective date through the October 31, 2026, expiration date.
Labeling Lists
L007 5-Digit Scheme—Periodicals, Standard Mail, and Package Services Flats in Bundles
Changes
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L008 3-Digit Scheme—Periodicals, Standard Mail, and BPM Flats in Bundles
Newly Added
* * * * *
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Due to the extensive number of changes to the L012, these changes will not be published in the Postal Bulletin.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 change effective September 1, 2026, for the L012 can be found in Postal Pro at the following link: postalpro.usps.com/operations/labeling-lists/changes-september-2026.
All other EELLS changes effective September 1, 2026, can be found in Postal Pro as well.
L016 3-Digit ZIP Code Prefix Groups—SCF Flat Sortation
Changes
* * * * *
L201 Periodicals Origin Split and First-Class Mail Mixed ADC/AADC
Due to the extensive number of changes to the L201, these changes will not be published in the Postal Bulletin. The change effective September 1, 2026, for the L201 can be found in Postal Pro at the following link: postalpro.usps.com/operations/labeling-lists/changes-september-2026.
All other EELLS changes effective September 1, 2026, can be found in Postal Pro as well.
L606 5-Digit Scheme - Standard Mail, First-Class Mail, and Package Services Parcels
Due to the extensive number of changes to the L606, these changes will not be published in the Postal Bulletin. The change effective September 1, 2026, for the L606 can be found in Postal Pro at the following link: postalpro.usps.com/operations/labeling-lists/changes-september-2026.
All other EELLS changes effective September 1, 2026, can be found in Postal Pro as well.
L607 3-Digit ZIP Code Sort Option for Drop-Ship Mailers
Deleted
— Logistics, Network Development, and Support,
Network Operations, 8-6-26
