Service Hubs and Facilities Locations

This document provides a list of service hub facilities, includes area, district, NASS, site, locale key, and start date.

Labeling List Changes Effective July 1, 2023

Effective July 1, 2023, we are revising Labeling List(s) L001, L002, L004, L005, L007, L008, L009, L011, L012, L015, L051, L201, L606, L607, and L801 to reflect changes in mail processing operations.

Labeling List Changes Effective July 1, 2023

Effective July 1, 2023, we are revising Labeling List(s) L001, L002, L004, L005, L007, L008, L009, L011, L012, L015, L051, L201, L606, L607, and L801 to reflect changes in mail processing operations.

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.

Labeling Lists Order Form

This document contains the order form for Labeling Lists.

AIS Copyright/License Agreement

AIS Copyright/License Agreement

Zone Charts Order Form

This order form is used to subscribe to the National and International Service Center (ISC) Zone Charts Matrix & Labeling Lists Products.

Labeling Lists Order Form

This document contains the order form for Labeling Lists.

Labeling Lists Technical Guide

The Labeling Lists data product assists mailers with presorting mail.

Labeling Lists Technical Guide

The Labeling Lists data product assists mailers with presorting mail.

Electronic Product Fulfillment (EPF) Web Access Request Form (PS 5116)

This form is used to create a Web-based account with the Addressing and Geospatial Technology (AGT) office which will be utilized to retrieve/download files from the Electronic Product Fulfillment (EPF) website.

Electronic Product Fulfillment (EPF) Web Access Request Form (PS 5116)

This form is used to create a Web-based account with the Addressing and Geospatial Technology (AGT) office which will be utilized to retrieve/download files from the Electronic Product Fulfillment (EPF) website.

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.

2023 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2023.

2023 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2023.

Labeling List Changes Effective October 1, 2022

Effective October 1, 2022, we are revising Labeling List(s) L001, L007, L012, L014, L015, L201, and L606 to reflect changes in mail processing operations.

Labeling List Changes Effective August 1, 2022

Labeling List Changes Effective August 1, 2022, we are revising Labeling List(s) L006, L007, L012, 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 August 1, 2022, effective date, but no later than September 30, 2022, expiration date. The changes will be published in the Postal Bulletin, Issue #22602. Labeling Lists  

Labeling List Changes Effective July 1, 2022

Effective July 1, 2022, we are revising Labeling List(s) L001, L006, L007, L012, L201, L606, and L607 to reflect changes in mail processing operations.

Labeling List Changes Effective April 1, 2022

Effective April 1, 2022, we are revising Labeling List(s) L006, L012, L201, and L606 to reflect changes in mail processing operations.

2022 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2022.

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. 

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. 

Labeling List Changes Beginning October 1, 2020

Effective October 1, 2020, we are revising Labeling List(s) L006, L007, L012, L201, and L606 to reflect changes in mail processing operations.

2019 Labeling List and Mail Direction File Schedule

Labeling Lists production schedule.

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).

L008 3-Digit Scheme: Periodicals, Standard Mail, and BPM Flats in Bundles

L008 describes the 3-digit scheme sortation list for automation rate (see 345.7.0 for Standard Mail, 365.7.0 for Bound Printed Matter, and 707.25.0 for Periodicals) and cobundled automation and Presorted rate (see 705.11.0) Periodicals and Standard Mail flat-size pieces and Presorted rate Bound Printed Matter (BPM) flat-size pieces that meet the automation criteria in 301.3.0. Pieces within scheme bundles are processed in the same operation and therefore are not required to be prepared in individual 3-digit bundles.

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.

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

L007 describes the 5-digit scheme sortation list for automation rate (see 345.7.0 for Standard Mail, 365.7.0 for Bound Printed Matter, and 707.25.0 for Periodicals) and cobundled automation and Presorted rate (see 705.11.0) Periodicals and Standard Mail flat-size pieces and Presorted rate Bound Printed Matter (BPM), Media Mail, and Library Mail flat-size pieces that meet the automation criteria under 301.3.0. The pieces within the scheme bundles are processed in the same operation and therefore are not required to be prepared in individual 5-digit bundles.

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

L010 indicates the label destination (Column B) for mixed AADC and mixed ADC trays of Standard Mail letters and mixed sacks of Package Services irregular parcels placed on an ASF or NDC pallet, or entered at an ASF or NDC (Column A).

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).

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.

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

L011 describes the service area by individual 3-digit ZIP Code prefix for mixed AADC and mixed ADC trays of Periodicals and Standard Mail letters.

L006 L006 5-Digit FSS Scheme: Periodicals, Standard Mail, and Package Services Flats in Bundles

L006 describes the FSS Labeling List with 'Column A' being the Destination Zips, 'Column B' as the Scheme Bundle/Pallet Label, and 'Column C' as the Residual Pallet Label'.

L601 National Distribution Centers (NDCs)

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

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

L001 describes the 5-digit scheme sort list for pallets and sacks of Periodicals, Standard Mail, and Package Services flats and irregular parcels destined for multiple 5-digit ZIP Codes served by a single delivery unit.

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

Mailers must use L009 to label mixed ADC bundles and sacks of Periodicals, Standard Mail, Bound Printed Matter, Media Mail, and Library Mail flats.

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.

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.

L012 5 Digit ZIP Scheme Combination

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

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.

L000 NDC Labeling List

Current labeling lists on the FAST site.  

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

L606 lists the 5-digit scheme sort for Standard Mail machinable and irregular parcels (excluding ECR irregular parcels), First-Class Mail Presorted parcels, and Package Services machinable and nonmachinable parcels destined for multiple 5-digit ZIP Codes served by a single delivery unit.

L801 AADCs: Letter-Size Mailings

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

Domestic Mail Manual (DMM®) 509: Address Information System Products

Address Management provides services that enable customers to manage thequality of their mailing lists while maximizing the Postal Service's ability to efficiently deliver mail.

New L012 Labeling List

Effective March 3, 2014, the Postal Service™ will revise the Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM®) 235, 245, and 707 to refer to the use of Labeling List L012 as the source for 5-digit ZIP Code™ scheme combinations when preparing automation letters.