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Numbering - Musharof Chy
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800 Service Management System
Information about the central database for US toll free number management.
629 просмотров
25 янв. 2025 г.The Telephone Exchange Name Project
The historical relationship between North American telephone exchange names and numbers.
62 просмотров
25 янв. 2025 г.International Numbering Plans
A collection of all international numbering plans in the world. Some features require a paid subscr...
472 просмотров
25 янв. 2025 г.