This is a copy and paste of their website. Looks like maybe second to last number on the bottom might help.
Sales Support & Customer Service (U.S. & Canada)
Customer Service or General Sales Questions:
Tel: +1 (877) 268-4847
For PC-cillin :
Tel: +1 (800) 864-6027
For technical support, please contact the following
Technical Support Channels
For technical support or sales inquiries related to PC-cillin Internet Security, please contact
Trend Micro Inc.
10101 N. De Anza Blvd.
Cupertino, CA - 95014, USA.
+1 (800) 228-5651
+1 (408) 257-1500
I have heard how wonderful PC-Cillin support was but could not find a 800 phone number anyware in their material. Maybe my eyes are gone or something. I have Norton's 800 number. If anyone knows there phone number could you please let me know. I don't know if I can ask this question here but you people seem to know just about everything. Thank you in advance.