Selecting a telephone number from the directory and adding a randomly selected digit, such as a "3" is called: Marketing Selecting a telephone number from the directory and adding a randomly selected digit, such as a "3" is called: A) plus-one dialing B) add-digit dialing C) random-plus dialing D) digit-plus dialing E) plus-three dialing Answer: a Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+