code: public static boolean isContiguousZipCode(String s) {
          boolean retval = false;
          if (isZipCode(s)) {
              if (isEmpty(s)) retval = defaultEmptyOK;
              else {
                  String normalizedZip = s.substring(0,5);
                  int iZip = Integer.parseInt(normalizedZip);
                  if ((iZip >= 96701 && iZip <= 96898) || (iZip >= 99501 && iZip <= 99950)) retval = false;
                  else retval = true;
              }
          }
          return retval;
      }
docs: Returns true if string s is a valid contiguous U.S. Zip code.  Must be 5 or 9 digits only.