Domestic Mail

Labeling List Changes

Effective March 1, 2025, the Postal Service™ will revise Labeling List(s) L001, L002, L004, L005, L007, L009, L010, L011, L012, L014, L015, L051, L201, L606, L607, 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 March 1, 2025, effective date through April 30, 2025, expiration date.

Labeling Lists

L001 5-Digit Scheme — Periodicals, Standard Mail, and Package Services Flats and Irregular Parcels

* * * * * 

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

 

* * * * * 

L007 5-Digit Scheme — Periodicals, Standard Mail, and Package Services Flats in Bundles

Changes

 

Newly Added

 

Deleted

 

* * * * * 

L009 Mixed ADCs — Periodicals, Package Services Flats and Irregular Parcels and Standard Mail Flats

Changes

 

* * * * * 

L010 NDC/ASF Entry — Standard Mail Letters and Package Services Irregular Parcels

Newly Added

 

* * * * * 

L011 Non-NDC/ASF Entry — Periodicals and Standard Mail Letters

Changes

 

* * * * * 

L012 5-Digit ZIP Scheme Combination

* * * * * 

Deleted

 

* * * * * 

L014 5-Digit ZIP Scheme Combinations for Hubs

* * * * * 

Newly Added

 

* * * * * 

L015 3-Digit ZIP Code Prefix Groups — ADC Ground Advantage Package Sortation

Changes

 

* * * * * 

L051 DSCF for Parcel Select

Changes

 

* * * * * 

L201 Periodicals Origin Split and First-Class Mail Mixed ADC/AADC

 

Column A: added 560-561
Column B: no change
Column C: no change

 

Column A: deleted 560-561
Column B: no change
Column C: no change

* * * * * 

L606 5-Digit Scheme — Standard Mail, First-Class Mail, and Package Services Parcels

* * * * * 

Newly Added

 

Deleted

 

* * * * * 

L607 3-Digit ZIP Code Sort Option for Drop-Ship Mailers

* * * * * 

Deleted

 

* * * * * 

L801 AADCs — Letter-Size Mailings

Changes

 

— Logistics, Network Development, and Support,
Network Operations, 2-6-25