North American Numbering Plan

The North American Numbering Plan (NANP) is an integrated telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Numbering Zone 1 and has the country code 1.

Source: Wikipedia — North American Numbering Plan (CC BY-SA 4.0)

North American Numbering Plan

The North American Numbering Plan (NANP) is an integrated telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Numbering Zone 1 and has the country code 1.

Source: Wikipedia "North American Numbering Plan" · CC BY-SA 4.0

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