Using Caller ID
Caller ID allows people to identify a caller before answering the phone by displaying the number of the incoming call. If you do not want your number displayed when you make a call, just follow these easy steps.
Toblockyourphonenumberfrombeingdisplayedforaspecific outgoingcall:
1.Press .
2.Enter the number you want to call.
3.Press .
To permanently block your number, call Sprint Customer Service.