en.wikipedia.org/wiki/Prank_call

A prank call is a telephone practical joke. Prank phone calls began to gain a worldwide .... a series of dubious rules. one of which forbids the use of making prank calls, causing Mordecai and Rigby to abandon him of their own free will.

www.prankdial.com/us

We're the #1 prank call site on the web! Send pre-recorded prank calls to your friends from a disguised number, then download and share the recorded ...

www.prankowl.com

Prank call your friends online for free. Send sound pranks or force two friends to call each other and listen to the results!

prankcaller.io

Easily Send Prank Calls. Easy to use and works on any phone, tablet or computer. Start sending prank calls to your friends today.

prankhotline.com

Welcome to Prank Hotline! Send pre-recorded prank calls to your friends and listen to the reaction live! To begin select a ... Like us on facebook for 2 free tokens!

www.comedycalls.com

Comedy Calls is a free prank calling website, brought to you by the creators of The Rejection Hotline.

www.spoofcard.com/blog/free-prank-calls

Apr 1, 2018 ... Here's how you get started prank calling people for FREE. ... SpoofCard, the #1 rated app for prank phone calls, gives you the ultimate phone ...

itunes.apple.com/us/app/prankdial-1-prank-call-app/id367287593?mt=8

Everyone receives three free calls a day. You can choose from hundreds of pranks. PrankDial does the work for you and sounds like a real person. Our prank  ...

www.technonutty.com/2016/10/best-prank-call-websites-for-free-prank-calls.html

Often you might have thought of making free prank calls to your friends. But since most of your friends are aware of your mobile number, you seek a different way ...