Includes keycode definitions, CASS form, S.E.R.P. form, Fax Number Usage Restrictions, and other documentation for use with your MDR list order—in PDF format unless otherwise specified.
NCOA (The National Change of Address) Statistics Reports
Canadian Address Accuracy Statement
USPS CASS Summary Reports
CASS (Coding Accuracy Support System) form is the certificate that represents MDR’s address accuracy as needed for the requirements of the United States Postal Service.
Postal Code Information
DMA Code Descriptions
Listing of DMA Codes relating to designated market area.
FIPS State and County Codes
Listing of 3,142 FIPS county codes by state. This Microsoft® Excel file can be sorted and/or filtered as needed.
MDR List Documentation
Fax Numbers – Legal Restrictions on Usage
FCC guidelines on the acceptable use of fax numbers.
Job Function Codes
Listing of job codes relating to functions: administrative offices, schools, libraries, and day care centers.
Keycode Definition Guide
Alphabetical listing of keycode options including a definition for each.
A glossary of K-12 district titles and list selection definitions.