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

Periodicals

Standard Mail

Correct and Standardize: Address Information System (AIS) Products

Latest Updates

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

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

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 (650-357-6741) the completed forms to the CDS Department at AGT.

Featured Resources

CDS Conversion Software

CDS Samples

Contact

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

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