Who called from 3603409506

They keep calling my cell phone and it says if you do not wish to receive calls about our special promotion press one to be put on a do not call list. I press one and they keep calling back every day.

I keep getting multiple calls throughout the day from this phone number with no message.

Nextel Communicatons is what i am getting when i look up the number.  on my caller id it says exc

Called the number and said it was a promotion and to press 1 to go on the do not call list.  Did a reverse lookup and all I could get is Silverdale, WA.