code: private static boolean checkIdNumberArea(String idNumberArea) {
          int areaCode = Integer.parseInt(idNumberArea);
          if (areaCode == HONGKONG_AREACODE || areaCode == MACAO_AREACODE || areaCode == TAIWAN_AREACODE) {
              return true;
          }
          if (areaCode <= MAX_MAINLAND_AREACODE && areaCode >= MIN_MAINLAND_AREACODE) {
              return true;
          }
          return false;
      }
docs: 身份证地区码检查