 Other suspicious behavior? Pepco will never call a customer to, A, ask for their account number, B, ask for personal information, such as their social security number or bank information. Pepco spokesperson Frank Tedesco says, unfortunately, scammers are getting more sophisticated, including using technology to replicate the company's phone number, so be alert. And if you're ever concerned if a call is legit or not, hang up, call the Pepco customer service number, and check the status of your account. Shaina Stoolin, WTOP News.