bō dǎ / wài dì / diàn huà / qián / qǐng / xiān / què rèn / duì fāng / suǒ zài / chéng shì / de / qū hào拨打外地电话前,请先确认对方所在城市的区号。Before making a long-distance call, please confirm the area code of the city where the other person is located.