The Minnesota PTA State Office is located in St Paul, Minnesota.
Minnesota State PTA Office
1667 Snelling Ave. N Suite 111
St. Paul, MN 55108
651-999-7320 local calls
800-672-0993 toll free calls 
651-999-7321 fax

The National PTA State Office is located in Chicago Illinois.
National PTA Office
541 N. Fairbanks Court Suite 1300
Chicago IL 60611
800-307-4782