Mailing information for TD Ameritrade is:

TD AMERITRADE Institutional
4075 Sorrento Valley Blvd. Suite A
San Diego, CA 92121

Mailing information for Fidelity Investments is:

Standard mail:
Fidelity Investments
PO Box 770002
Cincinnati, Ohio 45277-0075

Overnight mail:
Fidelity Operations & Service Group
100 Crosby Parkway
Mail Zone KC1J-0074
Covington, KY 41015