By Phone:
Pennsylvania 529 Guaranteed Savings Plan:
1-800-440-4000 (Monday through Friday, 8:00 a.m. to 6:00 p.m., Eastern time)

Pennsylvania 529 Investment Plan:
1-800-294-6195 (Monday through Friday, 8:00 a.m. to 9:00 p.m., Eastern time)

By email: pagsp@patreasury.org

By U.S. mail:
nowU Pennsylvania 529 College Savings Program
Processing Center
P.O. Box 55463
Boston, MA 02205-8114

By registered, certified, or overnight mail
nowU Pennsylvania 529 College Savings Program
Processing Center
95 Wells Avenue
Newton, MA 02459