unwanted call

Called landline at 12:14pm and 2:46pm today. "Unknown Name". Only clicking on the line. Number is now blocked.

Two missed calls, 9:42 and 11:48.  No message.

Said they're college something or other to try and raise money.  You can hear a huge call center in the background; asked to be removed from the list.  Rec'd calls @ 7:15a & 9:48a; call has been blocked

Called and left no messge.  Caller id showed Out of Area