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North American Numbering Plan
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The North American Numbering Plan 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
Face of a 1939 rotary telephone dial with the telephone number LA-2697. The dial plate shows the mapping of the alphabet to digits. The telephone numb
Face of a 1939 rotary telephone dial with the telephone number LA-2697. The dial plate shows the mapping of the alphabet to digits. The telephone number includes the first two letters of Lakewood, New Jersey, as the central office prefix, later converted to LA6 in the new numbering plan.
Letters of the alphabet are mapped to the digits of the telephone dial pad.
Letters of the alphabet are mapped to the digits of the telephone dial pad.