eli5: Why CA and USA uses the same country code?

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eli5: Why CA and USA uses the same country code?

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It’s also the country code for various Caribbean countries.

When the dialing system was created for the US and Canada it was created by the same company and they intentionally created a monopoly. The number 1 wasn’t used in their system so it became the number for dialing long distance within North America

When the international dialing system was created,1 became the number to identify any country that used the North American Numbering Plan.

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