Numbering - Musharof Chy

Musharof Chy

2579 ビュー

11 ヶ月前に作成

Information about the central database for US toll free number management.

Musharof Chy

2579 ビュー

11 ヶ月前に作成

The historical relationship between North American telephone exchange names and numbers.

Musharof Chy

2579 ビュー

11 ヶ月前に作成

A collection of all international numbering plans in the world. Some features require a paid subscr...