例如，假定您的查询包含区号和完整电话号码上的谓词。
For example, assume your queries contain predicates on area codes and on full phone Numbers.
例如，邮政编码查询关系可以将电话区号“650”映射到邮政编码“94010”、“94305”等。
For example, a zip code lookup relationship might map the phone area code "650" to the zip codes "94010," "94305," and so on.
Zip Express是一个专门用来查询邮编、地区码、城市、国家电话区号和时区的软件…
Before returning a phone call, enter an Area Code or Country Code into …
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