A sense of invasion. If the caller seems to know things about you, like in the story where the voice on the phone described things in the house. It feels like your privacy has been violated and there could be some malicious entity watching you. Also, when the calls keep coming despite your attempts to stop them, it adds to the scariness. It's like you can't escape this unknown threat.
The appearance of the clown on the phone can be really scary. Clowns are often associated with being creepy in horror stories. Their big smiles, bright colors that seem out of place in a spooky context, and their overall odd look can make the phone seem menacing.
One scary story could be about a new cell phone that starts acting strangely at night. The screen would turn on by itself, showing a blurry face that no one recognizes. It then starts sending text messages to random numbers, with the messages containing some kind of warning or threat. The owner tries to turn it off, but it just keeps coming back on.
I was alone at home and my phone rang. It was a call from an unrecognized local number. I answered and there was a distorted voice that started to tell me about all the things it could see in my house. It described my living room in detail, including the position of my cat. I was terrified as it seemed to be right there with me, even though I knew no one was. I ran out of the house and called the police.
I was at a cemetery and my phone slipped out of my pocket. I couldn't find it. That night, my other devices started acting up. Then, I received a text from my lost phone number. It said 'I'm here with the dead'. I was so scared. I thought it was just a prank at first, but then I heard a faint ringing from the cemetery direction, as if my phone was calling out to me from the land of the dead.
One scary phone call story could be this. I was home alone one night. The phone rang suddenly. When I picked it up, there was just heavy breathing on the other end. I said 'hello' a few times but got no response. I felt a chill run down my spine. I quickly hung up the phone. But then it rang again. This time, I was too scared to answer.
There was a man who bought a second - hand cell phone. One day, he noticed strange photos in the gallery that he didn't take. The photos showed a dark figure in his own house. As he scrolled through, the figure seemed to get closer in each photo. He started to feel like he was being haunted by the previous owner of the phone. He tried to delete the photos, but they would reappear. Eventually, he got rid of the phone in a panic.
A new cell phone could be haunted by the spirit of its previous owner. The phone might randomly play the previous owner's favorite song at full volume in the middle of the night.
Once there was a girl. She received a strange call on her cell phone at midnight. The caller didn't say a word but she could hear heavy breathing. Every night after that, the same call came. One day, she tried to trace the number but it showed as 'unknown'. She became so scared that she stopped using her cell phone at night. But one night, the phone rang again on its own, and when she picked it up, a cold voice said 'I'm always watching you'.
Once, a girl received a call in the middle of the night. When she picked up, there was only heavy breathing. She hung up but the calls kept coming. Each time she answered, the breathing got louder and more menacing. She was so scared that she turned off her phone, but then it started to ring again, this time with no caller ID. She never knew who or what was on the other end of that call.