My Phone Number isn’t accepted when making a Purchase. Why? Lance September 03, 2015 15:22 Follow Be sure you’re entering only numbers in the phone number field. Special characters such as dashes (-), plus signs (+), periods (.) cannot be entered and will generate an error if entered into the field. Numbers only will get the job done! Related articles NCSOFT Charges on your billing statement Why am I having problems paying with PayPal®?