Customer Phone Number in Billing Location:<br /><span class="help">Whether the customer phone number is in the billing zip code. A return value of Yes provides a positive indication that the phone number listed belongs to the cardholder. A return value of No indicates that the phone number may be in a different area, or may not be listed in our database. NotFound is returned when the phone number prefix cannot be found in our database at all. Currently we only support US Phone numbers.</span>