Besonderhede van voorbeeld: -8253379321630294144

English

The North American Numbering Plan Administration recognizes different forms of overlays: Distributed overlay (or all-services overlay): an entire existing area gains another area code serving the entire area.

Chinese

北美电话区号管理局定义了以下重叠类型: 分布式重叠(或称全服务重叠):整个现有区域获得一个涵盖全区的新区号,绝大部分重叠都属于该类型。