dialling code
noun [ C ] UK uk/ˈdaɪ.ə.lɪŋ ˌkəʊd/ us/ˈdaɪ.ə.lɪŋ ˌkoʊd/ (US area code)
（电话）区号
a series of numbers used before the main phone number when you call someone outside your own town or area
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。