Effective September 1, 2019, the Postal Service™ will revise Labeling List(s) L001, L012, 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 September 1, 2019, effective date through the October 31, 2019, expiration date.
Labeling Lists
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L001 5-Digit Scheme — Periodicals, Standard Mail, and Package Services Flats and Irregular Parcels
Changes
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Deleted
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L012 5-Digit ZIP Scheme Combination
Changes
Newly Added
Deleted
* * * * *
L606 5-Digit Scheme — Standard Mail, First-Class Mail, and Package Services Parcels
* * * * *
Deleted
— Logistics, Network Development, and Support,
Network Operations, 8-15-19
