Computerized Delivery Sequence (CDS)

The CDS program provides updated delivery sequence information on customer-provided address lists.

Who is CDS for?

Eligibility for the CDS update service is determined through the Address Sequence Service process described in the Domestic Mail Manual (DMM) 507.

First Class Mail

First Class Mail

Periodicals

Periodicals

Standard Mail

Standard Mail

Description

Benefits

Customers qualifying for CDS will benefit from the use of the CDS file through:

  • Complete and accurate addresses
  • Reduced undeliverable-as-addressed mail
  • Increased deliverability
  • Access to walk sequence saturation discounts
  • Ability to identify addresses marked as vacant or seasonal

The CDS product is distributed to qualified customers on a bi-monthly or weekly basis.

To establish a CDS account, customers must complete the CDS Customer Application and Web Access Form. Mail or fax (901-681-4582) the completed forms to the CDS Department at AGT.

Featured Resources

Fact Sheets
11/27/2017
Computerized Delivery Sequence (CDS) Brochure

The Computerized Delivery Sequence (CDS) program provides updated delivery sequence information to qualified mailers.

Applications/ Forms
01/26/2024
Computerized Delivery Sequence (CDS) Application/Renewal Form

This document contains the application and renewal form for the CDS product.

Fact Sheets
Computerized Delivery Sequence (CDS) Products on Electronic Product Fulfillment (EPF)

Beginning October 2014, all Address Quality and Address Management products will be provided via the Electronic Product Fulfillment (EPF) method.

User Guides
01/26/2024
Computerized Delivery Sequence (CDS) User Guide

This document contains a user guide for CDS.

FAQs
01/16/2024
Computerized Delivery Sequence (CDS) FAQs

This document provides frequently asked questions (FAQs) and answers for the CDS product.

Contact Lists
04/15/2022
Computerized Delivery Sequence (CDS) Customer Web List

The CDS Customer Web List provides business customer contact information.

CDS Conversion Software

Tools
10/22/2013
Computerized Delivery Sequence (CDS) Conversion Software (Windows)

This document contains the Windows conversion software for the CDS product.

Tools
03/29/2013
Computerized Delivery Sequence (CDS) Conversion Software (Windows7)

This document contains Windows 7 Conversion software for the CDS product.

User Guides
01/02/2018
Computerized Delivery Sequence (CDS) Conversion Software User Guide (Windows)

This document contains the Windows software conversion user guide for CDS.

Quick Service Guides
Computerized Delivery Sequence (CDS) Conversion Software Instructions (Windows)

This docoument provides instructions for Windows conversion software for the CDS product.

Tools
04/23/2008
Computerized Delivery Sequence (CDS) Conversion Software (Linux)

This document contains the Linux conversion software for the CDS product.

Tools
04/23/2008
Computerized Delivery Sequence (CDS) Conversion Software (Unix-Sun32)

This document contains the Unix (Sun-32) conversion software for the CDS product.

User Guides
01/02/2018
Computerized Delivery Sequence (CDS) Conversion Software User Guide (Linux-Unix-Sun32)

This document contains the Linux/ Unix conversion software user guide for the CDS product.

CDS Samples

Data Files
04/23/2008
Computerized Delivery Sequence (CDS) Sample ZIP Code™

This document contains sample ZIP Code™ file for CDS.

Fact Sheets
Computerized Delivery Sequence (CDS) Sample ZIP Code™ Password

The CDS Sample ZIP Code file requires a password.

Related Products

Electronic Address Sequencing (EAS)

EAS provides an electronic option for processing address files for sequencing and/or qualification for Computerized Delivery Sequence (CDS).

Contact

For more information about CDS, contact Addressing and Geospatial Technology at 1-800-238-3150 or email cds.ncsc@usps.gov.