Effective February 1, 2021, the Postal Service™ will revise Labeling List(s) L001, L010, 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 February 1, 2021, effective date through the March 31, 2021, expiration date.
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L001 5-Digit Scheme — Periodicals, Standard Mail, and Package Services Flats and Irregular Parcels
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Deleted
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L010 NDC/ASF Entry — Standard Mail Letters and Package Services Irregular Parcels
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Newly Added
Delete
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L012 5-Digit ZIP Scheme Combination
Changes
Newly Added
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, 1-14-21
