zhè ge / zuò jī / hào mǎ / shǎo le / yí wèi / qū hào / nán guài / yì zhí / wú fǎ / jiē tōng

这个座机号码少了一位区号，难怪一直无法接通。

This landline number is missing an area code digit, so it is no wonder the call cannot get through.