Who called from 9712201050

Just got a call from this number but didn't pick up.

They have called me too.  Is there a way to block these calls on your cell phone?

just got a call on my cell phone from this number but did not answer because it's outside my local calling area and i don't want to use up my pre-paid minutes

Received call from this number.  Didn't answer, they left a voice mail saying my credit card companies authorized this.  My card companies would never do that....

Just got a call from this number didn't answer and they didn't leave a message.