Effective December 1, 2024, the Postal Service™ will revise Labeling List(s) L001, L002, L004, L005, L007, L008, L010, L012, L606, and L801 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, 2024, effective date through January 31, 2025, expiration date.
Labeling Lists
L001 5-Digit Scheme — Periodicals, Standard Mail, and Package Services Flats and Irregular Parcels
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Changes
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Deleted
L002 3-Digit ZIP Code Prefix Matrix
Changes
L004 3-Digit ZIP Code Prefix Groups — ADC Sortation
Changes
L005 3-Digit ZIP Code Prefix Groups — SCF Sortation
Changes
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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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L008 3-Digit Scheme — Periodicals, Standard Mail, and BPM Flats in Bundles
Changes
L010 NDC/ASF Entry — Standard Mail Letters and Package Services Irregular Parcels
Changes
L012 5-Digit ZIP Scheme Combination
Changes
Deleted
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L606 5-Digit Scheme — Standard Mail, First-Class Mail, and Package Services Parcels
Changes
Newly Added
Deleted
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L801 AADCs — Letter-Size Mailings
Changes
— Logistics, Network Development, and Support,
Network Operations, 11-14-24
