市县名称邮政编码长途区号市县名称邮政编码长途区号北京市10000010通 县10110010平谷县10120010顺义县10130010怀柔县10140010密云县10150010延庆县10210010昌平县10220010门头沟区10230010房山区10240010燕山区10250010大兴县10260010市县名称邮政编码长途区号市县名称邮政编码长途区号上海市20000021近郊区20010021上海县20110021川沙县20120021南汇县20130021奉贤县20140021金山县20150021松江县20160021青浦县20170021嘉定县20180021宝山县20190021崇明县20210021市县名称邮政编码长途区号市县名称邮政编码长途区号天津市30000022塘沽30045022汉沽30048022宁河县30150022静海县30160022武清县30170022宝坻县30180022蓟县30190022大港区30027022市县名称邮政编码长途区号市县名称邮政编码长途区号渝中区40001023永川市402160023(在原六位号码前加49)江北区40002023江津市402260023(在原六位号码前加47)沙坪坝区40003023长寿县401220023(在原六位号码前加40)九龙坡区40005023大足县402360023(在原六位号码前加43)南岸区40006023璧山县402760023(在原六位号码前加41)大渡口区40008023荣昌县402460023(在原六位号码前加46)北碚区40070023潼南县402660023(在原六位号码前加44)北 京 市上 海 市天津市重 庆 市万盛区400800023(在原六位号码前加48)铜梁县402670023(在原六位号码前加45)双桥区400900023(在原六位号码前加43)綦江县40