Address Matching System Application Program Interface
A tool used in the development of address-matching software.
The Address Matching System Application Program Interface (AMS API) Developer's Kit is a tool used in the development of address-matching software. It is available through Electronic Product Fulfillment (EPF) and contains the following information:
The test utility can be used to ensure that the Address Matching System and data files have been installed correctly and to provide access to USPS® matching logic, which displays the standardized address returned by the matching engine. This enables you to verify the accuracy of the ZIP+4® results returned from your product.
The AMS software including, but not limited to, .DLLs, shared objects, and static objects all expire and cease functionality based on the CASS™ guidelines. The eLOT® and DPV®files can also be used in conjunction with the AMS API Developer's Kit.
Subscriptions are maintained on a calendar year basis and require signature compliance with a license agreement. Pricing varies depending on product and platform usage, so please ask for more details.
For more information about AMS API or to obtain order forms, please contact the National Customer Support Center at 877-640-0724.
Computerized Delivery Sequence
A 5-digit ZIP Code™ based, electronic product that provides and updates delivery sequence address information by carrier route.
The Computerized Delivery Sequence (CDS) File is a 5-digit ZIP Code™ based electronic customer product that provides and updates delivery sequence address information by carrier route for qualified mailers. Mailers must initially qualify for CDS information through Address Sequence Service, described in DMM 507.8.
The CDS product is distributed to qualified customers on a weekly or bimonthly schedule beginning in February.
To obtain additional information about CDS, contact the National Customer Support Center at 800-238-3150 or visit the RIBBS website at https://ribbs.usps.gov/index.cfm?page=cds. Information on qualifying for CDS electronically can also be found on the RIBBS website at https://ribbs.usps.gov/index.cfm?page=cds.
Designed to help mailers identify inaccurate or incomplete addresses.
The DPV System is one of the SnappCheck Address Management Technologies™ products that is available from the Postal Service to help mailers identify inaccurate or incomplete addresses.
The DPV System assists mailers in obtaining accurate delivery address information and facilitates identification of erroneous addresses contained in mailer address files. Mailer use of DPV will help to reduce the amount of undeliverable as addressed (UAA) pieces, which in turn will result in more efficient postal mail processing and delivery operations.
For additional information on DPV, please contact the National Customer Support Center at 800-238-3150.
Delivery Sequence File Second Generation
Assists mailers in obtaining accurate delivery address information and facilitates identification of erroneous addresses contained in address files.
The DSF2® System is one of the SnappCheck Address Management Technologies™ systems that is available from the U.S. Postal Service® to help mailers identify inaccurate or incomplete addresses.
The DSF2 file system assists mailers in obtaining accurate delivery address information and facilitates identification of erroneous addresses contained in mailers address files. The DSF2 product also provides additional information such as type of delivery and LACSLink® information. As mailers use the DSF2 product, it will help to reduce the amount of undeliverable-as-addressed (UAA) pieces, which in turn will result in more efficient postal mail processing and delivery operations.
For additional information on the DSF2 product, please contact the National Customer Support Center Licensing Department at 800-589-5766.
Assists mailers with presorting mail. It provides active originating 3- and 5-digit ZIP Code data along with their destination locations [including city/state/ZIP Code] for labeling purposes.
The Labeling Lists Data Product assists mailers with presorting mail. It provides active, origination 3- and 5-digit ZIP Code™ data along with their destination locations (including city/state/ZIP Code) for labeling purposes. The product contains complete data files of each list found in the DMM®. Periodic updates to the Labeling Lists Product are published in the Postal Bulletin.
Helps reduce shipping cost by verifying whether a delivery type is classified as residential or business.
What is RDI?
What are the benefits of using RDI?
How do I apply for a RDI license?
RDI is available from the Postal Service for an annual licensing fee, which includes monthly updates. ZIP + 4® products require no less than bi-monthly updates, but may be obtained monthly. For optimal results, the product releases for RDI and ZIP + 4 should be synchronized. CASS Certified™ software is required to access the RDI data product.
For more information on the RDI Product, visit the RIBBS Web site at https://ribbs.usps.gov, or call the National Customer Support Center at 800-589-5766.
Residential Delivery Indicator Vendors PDF
Modern Service Standards
Contains the Postal Service™ service standards for Standard Mail®, Package Services, Priority Mail®, First-Class Mail® and Periodicals Mail services.
The Modern Service Standards are currently being incorporated into our databases and will not be available via CD-ROM until further notice.
Information about the Modern Service Standards is available on the RIBBS website under the “Modern Service Standards” link. Updates will be posted on the RIBBS website at the beginning of each Postal Quarter, on October 1, January 1, April 1 and July 1.
National Zone Charts Matrix
Assists mailers in determining the distance that a mailpiece travels based on the ZIP Code where the mailpiece enters the mailstream (origination) and the ZIP Code that will deliver the mailpiece to the addressee (destination).
The National Zone Charts Matrix is used to assist mailers in determining the distance that a mailpiece travels based on the ZIP Code™ where the mailpiece enters the mailstream (origination) and the ZIP Code where the mailpiece is delivered to the addressee (destination). Postage rates for certain classes of mail are based on mailpiece weight as well as the distance the mailpiece travels. Please note, the matrix does not contain postage rates, only zone information.
Individual Zone Charts are located on the Postal Explorer® web site.
TIGER/ZIP + 4® File
Designed to help mailers explore new markets by gathering and manipulating data to uncover potential business areas.
The Topological Integrated Geographic Encoding and Referencing (TIGER)/ZIP + 4® File is a useful tool that helps mailers explore new markets by gathering and manipulating data to uncover potential business areas.
The TIGER/ZIP + 4 File is a bridge file that allows mailers to access other information using the ZIP + 4 codes they already have associated with their addresses. This file provides demographers, market researchers, and offers a method to relate ZIP + 4 coded address lists to Census Bureau demographic data. Now mailers can acquire Census Bureau information on latitude, longitude, tract, Standard Metropolitan Statistical Area (SMSA), etc. These files make an excellent base for a geographic information system.
For detailed information on TIGER/ZIP + 4, download the Technical Guide or contact the National Customer Support Center (NCSC) at 800-238-3150. Use the link below to download a sample file.
Designed to give the mailer additional information to improve the quality of their mailing lists by assisting in reducing the amount of undeliverable-as addressed mail.
Z4INFO is designed to give the mailer additional information to improve quality of the mailing address. The Z4INFO product is part of the Address Quality products sold to software developers who may integrate it into current products and processes for customers (end users) who process address lists. Z4INFO integration with the address matching engines used by major mailers helps reduce the amount of undeliverable-as-addressed mail.
Z4INFO works in conjunction with the ZIP + 4® product to improve the quality of address matching by providing a code describing the acceptable format for the primary and secondary address information in a particular ZIP + 4 block face.
To learn more about Z4INFO, contact the National Customer Support Center at 800-238-3150.
Coming Soon: PostalPro
The RIBBS website has been redesigned and is in the process of transitioning to a new home called PostalPro. www.postalpro
PostalPro leverages powerful search functionality, intuitive navigation, and a modernized, mobile-friendly design.
Upcoming 2017 Releases
Getting Started with Full-Service Intelligent Mail
PostalOne! Contingency Plan
For mailers unable to submit electronic information, click here for the PostalOne! Contingency Plan.