Effective August 1, 2025, the Postal Service™ will revise Labeling List(s) L002, L004, L005, L007, L010, L012, 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 August 1, 2025, effective date through the September 30, 2025, expiration date.
Labeling Lists
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L002 3-Digit ZIP Code Prefix Matrix
Changes
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L004 3-Digit ZIP Code Prefix Groups — ADC Sortation
Changes
Newly Added
Deleted
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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
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Newly Added
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L010 NDC/ASF Entry — Standard Mail Letters and Package Services Irregular Parcels
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Newly Added
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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Due to the extensive number of changes to the L012, these changes will not be published in the Postal Bulletin.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 August 1, 2025, for the L012 can be found in Postal Pro at the following link: postalpro.usps.com/operations/labeling-lists/changes-august-2025.
All other EELLs changes effective August 1, 2025, can be found in Postal Pro as well.
L601 Network Distribution Centers (NDCs)
Changes
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L605 NDCs/ASFs — Nonmachinable Parcel Select
Changes
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L606 5-Digit Scheme — Standard Mail, First-Class Mail, and Package Services Parcels
Changes
* * * * *
Deleted
— Logistics, Network Development, and Support,
Network Operations, 7-10-25
