What is the contact number for HTC? ?

There is a phone number on their website, however once the call connects, there is nothing but silence and no one picks up. The number I tried was:

Tel: +1 4258619174 (America)

Thanks ahead for any help!

HI you can easily find the contact number of HTC company just by doing whois search for their website name through sites like WhoisXY.com here they will display details like domain registrant name ,address ,phone number ,email id and so on using these details you can easily find their official contact number .I did whois search and found their registrant phone number it was 886-3-3753252 ..I hope it will be helpful to you ..