 Pepco is reminding customers to protect themselves from scammers who are using more sophisticated tactics to trick people into paying them. More from WTOP's Shana Estulin. There's a lot of common schemes that involve scammers' use of technology to replicate a company's phone number through caller ID. So it's important to stay alert. Pepco spokesperson Frank Tedesco says if you get a call out of the blue demanding immediate payment or your service will be cut off...