Effective December 1, 2023, the Postal Service™ will revise Labeling List(s) L001, L007, L012, L201, L601, L605, 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 December 1, 2023, effective date through the January 31, 2024, expiration date.
Labeling Lists
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L001 5-Digit Scheme — Periodicals, Standard Mail, and Package Services Flats and Irregular Parcels
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Deleted
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L007 5-Digit Scheme — Periodicals, Standard Mail, and Package Services Flats in Bundles
* * * * *
Deleted
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L012 5-Digit ZIP Scheme Combination
Changes
Newly Added
Deleted
* * * * *
L201 Periodicals Origin Split and First-Class Mail Mixed ADC/AADC
Due to the extensive number of changes to the L201 Labeling List, these changes will not be published in the Postal Bulletin. The changes for the L201 Labeling List and all other EELLs changes effective December 1, 2023, can be found in Postal Pro at postalpro.usps.com/operations/labeling-lists/changes-december-2023.
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L601 Network Distribution Centers (NDCs)
Changes
* * * * *
L605 NDCs/ASFs — Nonmachinable Parcel Select
Changes
* * * * *
L606 5-Digit Scheme — Standard Mail, First-Class Mail, and Package Services Parcels
Changes
Newly Added
Deleted
— Logistics, Network Development, and Support,
Network Operations, 11-16-23
