List Documentation

Includes keycode definitions, CASS form, Fax Number Usage Restrictions, and other documentation for use with your MDR list order—in PDF format unless otherwise specified.

USPS Regulations

NCOA (The National Change of Address) Statistics Reports

Institutional NCOA report for school, college, library, and day care files
Educators at Home NCOA report

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.

Institutional CASS report for school, college, library, and day care files
Educators at Home CASS report

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.

MDR has been compiling education data for more than 50 years.

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