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The DSF2 Product identifies whether a ZIP + 4® coded address is currently represented in the USPS® delivery file as a known address record. The DSF® Product contains vacant, residential, business or seasonal address information. It also identifies if an address is delivered to a curb-side mailbox

or by a door-slot. This information will allow for more targeted mailings.

DSF2 processing is one of the approved methods outlined in the Domestic Mail Manual for sequencing mail pieces in walk-sequence when not using a simplified address.

To become a DSF2 Licensed Service Provider, applicant must be in the business of, or planning to be in the business of, providing address verification and list processing services. For more information on becoming a DSF2 Licensed Service Provider, contact the NCSC Licensing Department at 800-589-5766.

Annual License Fee: $117,000.00*
* The initial licensing year is prorated.

What's next?
Once you have decided to apply to become a DSF2, the next step is to complete the certification process. The process includes the completion of the following documentation:

  • Application
  • Confidentiality Statement
  • Self-Certification Survey
  • Key Personnel Listing
  • Security Documentation
  • Technical Proposal
  • Licensee Survey
  • Equipment Information

All of these documents are available on the RIBBS® website. Upon completion of these documents, the license must be executed, including the payment of the appropriate licensing fees.

If you have any questions regarding the licensing and certification process, please call the Move Update Support Department at 1-800-589-5766.

Contact Information:

Important Updates

The "Heartbleed" bug hasn't affected Postal Service websites that require customers to provide usernames and passwords, according to USPS IT and the Corporate Information Security Office (CISO). To learn more information, click here.


Standard Mail DSCF Load Leveling Final Rule Published in the Federal Register

The Postal Service has released its Federal Register final rule revising the service standards for Standard Mail that is eligible for Destination Sectional Center Facility (DSCF) rates. These changes will allow a more balanced distribution of DSCF Standard Mail across delivery days. With its new rules, USPS is extending delivery expectation to four days for mail entered on Friday and Saturday. National Implementation began April 10, 2014.


January 2014 Price Change Fact Sheets


Getting Started with Full-Service Intelligent Mail


PostalOne! Contingency Plan

For mailers unable to submit electronic information, click here for the PostalOne! Contingency Plan.











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