/**
* Returns true if the current country is a NANPA country and the national number begins with
* the national prefix.
*/
private boolean isNanpaNumberWithNationalPrefix()
{
// For NANPA numbers beginning with 1[2-9], treat the 1 as the national prefix. The reason is
// that national significant numbers in NANPA always start with [2-9] after the national prefix.
// Numbers beginning with 1[01] can only be short/emergency numbers, which don't need the
// national prefix.
return((currentMetadata.getCountryCode() == 1) && (nationalNumber.charAt(0) == '1') &&
(nationalNumber.charAt(1) != '0') && (nationalNumber.charAt(1) != '1'));
}
