Postal Service database services such as DPV and LACS Mail Processing Equipment service grants a mailer the right to either perform address updating directly onto its mailpieces using 18 months of change-of-address data and a MLOCR or to create an electronic file for address updating using other mail processing equipment.
ANK informs mailers that a customer has moved, along with the move effective date. The Official National Zone Charts identify the appropriate distance code assigned to each originating and destination pairing for every ZIP Code in the nation.
The Postal Service separately certifies the equipment for a manufacturer and the user.
Certified equipment can be used until the expiration of the applicable MASS cycle.
The Postal Service certifies software meeting its standards until the expiration of the applicable CASS cycle. Ordinarily, a CASS testing cycle extends from August 1 through July 31 of the next year, and permits software use until the following July 31.
Change-of-Address Information for Election Boards and Registration Commissions service provides election boards and voter registration commissions with the current address of a resident addressee, if known to the Postal Service.
The mailer is provided with the correct address or with information that the address is not a recognized deliverable address.The City State service is a comprehensive ZIP Code list associated with the appropriate city, county, and Post Office names. CDS service provides and updates delivery sequence address information by carrier route for qualified mailers.The CDS No Stat service provides and updates nondelivery address information about new construction and rural route vacancies by carrier route for qualified mailers.The Postal Service tests the systems under the Developer, Full Service Provider, Limited Service Provider, End User, and Mail Processing Equipment licenses to ensure that they meet Postal Service performance requirements.The six types of licenses are listed in FSP service grants the right to perform address list updating services for both the licensee and third party mailers using 48 months of change-of-address data.Note: This feature is not available for freight shipment tracking.Address Management provides services that enable customers to manage the quality of their mailing lists while maximizing the Postal Service‘s ability to efficiently deliver mail. Address Element Correction (AEC) service identifies and corrects bad or incomplete addresses using enhanced computer logic.Ordinarily, a MASS testing cycle extends from August 1st through July 31st of the next year, and permits use until the following July 31st.The NCOA service makes change-of-address information for moves available to mailers.The DSF2 service is used to check mailing address accuracy, identify address types, and obtain walk sequence statistics.The DSF2 database is the most complete Postal Service address database available, containing every deliverable mailing address in the United States, and is used to verify that address lists are correct and complete, identify business versus residential addresses, recognize commercial mail receiving agencies, provide walk sequence numbers and postal codes, identify seasonal addresses, detect addresses vacant for over 90 days, and categorize addresses by delivery type, e.g., curb, door slot, box, etc.Software is certified until the expiration of the applicable MAC Batch System cycle.The MAC Gold System Certification service evaluates and certifies that manifest mailing systems (software, weigh scales, and label printers) accurately list and calculate postage for nonidentical piece mailings consistent with DMM, IMM, and manifest mailing system itemized pricing standards.Delivery statistics for all city carrier routes, rural routes, highway contract routes, general delivery units, and Post Office Box sections may be obtained from the Delivery Statistics File or through alternate processes as follows: The Delivery Type service provides a file that indicates the type of deliveries (i.e., P. Box, street, unique, military, and general deliveries) made within each 5-digit ZIP Code area in the United States. The Delivery Point Validation (DPV) service in conjunction with CASS-Certified address matching software validates delivery points.