100Bestbuy.com — Need to change my phone no.

Address:

Kheda, Gujarat

I had complained to the 100bestbuy.com since 6/9/2014 but still the solution is not provide to me. I need to change my phone number for log in and shipping address as well. For your betterment i am sending my details of logging 100bestbuy.com. So please guide me how can i change my contact no. Because without changing my number i can't even shop through your website. As per your requirement i am sending my registered number of 100bestbuy.com Which is [protected] but now i want to register this number - [protected]