A method and systems for identifying communicators as wanted or unwanted based on communications from such communicators, the method comprising determining communications from phone numbers as being unwanted by analyzing communication content features of communications associated with unwanted communicators, identifying telecommunications carriers that acquired the phone numbers, computing scores for the telecommunications carriers based on an amount of the determined unwanted communications from the phone numbers are unwanted, intercepting an inbound communication from a given phone number, identifying the given phone number is associated with a given one of the telecommunications carriers, and configuring handling of communications from the phone number based on a score of the given telecommunications carrier.