Effective January 1, 2025, the Postal Service™ will revise Labeling List(s) L001, L002, L005, L012, L014, 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 January 1, 2025, effective date through February 28, 2025, expiration date.
Labeling Lists
L001 5-Digit Scheme — Periodicals, Standard Mail, and Package Services Flats and Irregular Parcels
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Deleted
L002 3-Digit ZIP Code Prefix Matrix
Changes
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L005 3-Digit ZIP Code Prefix Groups — SCF Sortation
Changes
* * * * *
L012 5 Digit ZIP Scheme Combination
Changes
L014 5 Digit ZIP Scheme Combinations for Hubs
Changes
* * * * *
Deleted
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L606 5-Digit Scheme — Standard Mail, First-Class Mail, and Package Services Parcels
Changes
Newly Added
Deleted
— Logistics, Network Development, and Support,
Network Operations, 12-12-24