Data Files
09/16/2024
2025 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2025.

Data Files
09/16/2024
2025 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2025.

Data Files
08/01/2024
Labeling List Changes Effective September 1, 2024

Effective September 1, 2024, we are revising Labeling List(s) L001, L002, L005, L007, L012, L014, L601, L602, L605, L606, and L607 to reflect changes in mail processing operations.

Data Files
08/01/2024
Labeling List Changes Effective September 1, 2024

Effective September 1, 2024, we are revising Labeling List(s) L001, L002, L005, L007, L012, L014, L601, L602, L605, L606, and L607 to reflect changes in mail processing operations.

Data Files
05/30/2024
Labeling List Changes Effective July 1, 2024

Effective July 1, 2024, we are revising Labeling List(s) L001, L009, L011, L012, L201, L606, and L607 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings that are inducted on or after the July 1, 2024, effective date, but no later than August 31, 2024, expiration date. The changes will be published in the Postal Bulletin, Issue #22652.  

Data Files
02/27/2024
Labeling List Changes Effective April 1, 2024

This file has been temporarily removed and will be replaced as soon as possible. We are sorry for the inconvenience.   

Data Files
10/30/2023
Labeling List Changes Effective December 1, 2023

Effective December 1, 2023, we are revising Labeling List(s) L001, L007, L012, L201, L601, L605, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings that are inducted on or after the December 1, 2023, effective date, but no later than January 31, 2024, expiration date. The changes will be published in the Postal Bulletin, Issue #22637.  

Data Files
10/16/2023
2024 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2024.

Data Files
10/16/2023
2024 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2024.

Data Files
02/24/2023
Labeling List Changes Effective April 1, 2023

Effective April 1, 2023, we are revising Labeling List(s) L001, L007, L009, L011, L012, L051, L201, and L606 to reflect changes in mail processing operations.

Data Files
11/30/2022
Labeling List Changes Effective January 1, 2023

Effective January 1, 2023, we are revising Labeling List(s) L007, L009, L011, L012, L014, L201, and L606 to reflect changes in mail processing operations.

Data Files
10/14/2022
2023 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2023.

Data Files
11/18/2021
2022 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2022.

Data Files
09/22/2021
L051 Test Files for Parcel Select/Parcel Select Lightweight – DSCF Entry

For additional information, refer to the January 2022 Release Overview dated August 30, 2021 found on the PostalPro landing page under Featured Updates at https://postalpro.usps.com. 

Data Files
09/22/2021
L051 Test Files for Parcel Select/Parcel Select Lightweight – DSCF Entry

For additional information, refer to the January 2022 Release Overview dated August 30, 2021 found on the PostalPro landing page under Featured Updates at https://postalpro.usps.com. 

Data Files
10/01/2017
L605 NDCs/ASFs: Nonmachinable Parcel Select

L605 describes the service area by individual 3-digit ZIP Code prefix for Parcel Select mailers preparing mailings of nonmachinable parcels.

Data Files
10/01/2017
L004 3-Digit ZIP Code Prefix Groups: ADC Sortation

L004 describes the service area by individual 3-digit ZIP Code prefix for mail destined to an area distribution center (ADC).

Data Files
10/01/2017
L005 3-Digit ZIP Code Prefix Groups: SCF Sortation

L005 describes the service area by individual 3-digit ZIP Code prefix for mail destined to a sectional center facility (SCF).

Data Files
10/01/2017
L012 5 Digit ZIP Scheme Combination

The 5-Digit ZIP Scheme Combination Labeling List contains a listing of 5-digit ZIP Code schemes.

Data Files
10/01/2017
L003 3-Digit ZIP Code Prefix Groups: 3-Digit Scheme Sortation

L003 describes the 3-digit automation letters scheme sortation ZIP Code prefix list for trayed mail.

Data Files
10/01/2017
L601 National Distribution Centers (NDCs)

L601 describes the service area by individual 3-digit ZIP Code prefix for sorting mail to NDC destinations.

Data Files
10/01/2017
L002 3-Digit ZIP Code Prefix Matrix

L002 lists every 3-digit Zip Code prefix for mail destined to 3-digit, 3-digit scheme, and sectional center facility (SCF) destinations.

Data Files
10/01/2017
L201 Periodicals Origin Split and First-Class Mail Mixed ADC/AADC

L201 describes the First-Class Mail surface transportation reach of an origin facility for use in preparing bundles and sacks of Periodicals mail (including Periodicals labeled "news") and in preparation of First-Class Mail mixed containers.

Data Files
10/01/2017
L607 3-Digit ZIP Code Sort Option for Drop-Ship Mailers

L607 lists the 5-digit ZIP Codes for machinable parcels eligible to be entered at designated SCFs when sorted into 3-digit containers.

Data Files
09/23/2016
L000 NDC Labeling List

Current labeling lists on the FAST site.  

Data Files
09/01/2016
L801 AADCs: Letter-Size Mailings

L801 describes the service area by individual 3-digit ZIP Code prefix for automation rate letter-size mailings.