![The original 1947 Telephone Area Code Map - Codes were assigned based on population and time it took to dial the code on a rotary phone dial. High population areas got small The original 1947 Telephone Area Code Map - Codes were assigned based on population and time it took to dial the code on a rotary phone dial. High population areas got small](https://i.redd.it/unygp3sm9k881.jpg)
The original 1947 Telephone Area Code Map - Codes were assigned based on population and time it took to dial the code on a rotary phone dial. High population areas got small
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