Effective July 1, 2026, the Postal Service™ will revise Labeling List(s) L001, L007, L009, L012, L016, L201, 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 July 1, 2026, effective date through the August 31, 2026, expiration date.
Labeling Lists
L001 5-Digit Scheme—Periodicals, Standard Mail, and Package Services Flats and Irregular Parcels
Changes
Newly Added
Deleted
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L007 5-Digit Scheme — Periodicals, Standard Mail, and Package Services Flats in Bundles
Due to the extensive number of changes to the L007, these changes will not be published in the Postal Bulletin. The changes effective July 1, 2026, for the L007 can be found in Postal Pro at the following link: postalpro.usps.com/operations/labeling-lists/changes-july-2026.
All other EELLs changes effective July 1, 2026, can be found in Postal Pro as well.
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L009 Mixed ADCs — Periodicals, Package Services Flats and Irregular Parcels and Standard Mail Flats
Changes
* * * * *
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Due to the extensive number of changes to the L012, these changes will not be published in the Postal Bulletin.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 July 1, 2026, for the L012 can be found in Postal Pro at the following link: postalpro.usps.com/operations/labeling-lists/changes-july-2026.
All other EELLs changes effective July 1, 2026, can be found in Postal Pro as well.
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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Due to the extensive number of changes to the L201, these changes will not be published in the Postal Bulletin.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 changes effective July 1, 2026, for the L201 can be found in Postal Pro at the following link: postalpro.usps.com/operations/labeling-lists/changes-july-2026.
All other EELLs changes effective July 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Due to the extensive number of changes to the L606, these changes will not be published in the Postal Bulletin.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 changes effective July 1, 2026, for the L606 can be found in Postal Pro at the following link: postalpro.usps.com/operations/labeling-lists/changes-july-2026.
All other EELLs changes effective July 1, 2026, can be found in Postal Pro as well.
— Logistics, Network Development, and Support,
Network Operations, 6-11-26
