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Extending the life of the 10-digit number system, known as the North American Numbering Plan, through thousands-block number pooling and other measures. Preventing premature exhaustion of numbers in an area code. Overseeing allocation and management of Toll Free numbers.
The NANP is an integrated numbering plan serving 20 North American countries that share its resources. Regulatory authorities in each participating country have plenary authority over numbering resources, but all participating countries, implicitly or explicitly, share numbering resources cooperatively. This approach has been successful for ...
The North American Numbering Plan (NANP) is a telephone numbering plan. It includes 24 countries and territories, including the United States, Canada, Bermuda, and 17 nations of the Caribbean. There are three-digit area codes and seven-digit telephone numbers. Related pages. List of North American Numbering Plan area codes
