The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the...

The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by...

The expansion of the North American Numbering Plan (NANP) is the anticipated requirement for providing more telephone numbers to accommodate future needs...

All countries in the Americas use codes that start with "5", with the exception of the countries of the North American Numbering Plan, such as Canada and...

Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes...

numbering systems, geographic location typically plays a role in the sequence of numbers assigned to each telephone subscriber. Many numbering plan administrators...

ensuing decades, and established the North American Numbering Plan (NANP). Early during the 20th century, the American and Canadian telephone industry had...

frequently calling the numbers used. In North America, the area served by the North American Numbering Plan (NANP) system of area codes, fictitious telephone...

The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain...

Telephone numbers in Canada follow the fixed-length format of the North American Numbering Plan (NANP) of a three-digit area code, a three-digit central office...