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AT T created the American area code system in 1947. Because lower numbers had less travel and were quicker to dial, larger cities were given lower area codes (excluding 0). The top 5 cities: New York 212, Chicago 312, Philadelphia 215, Los Angeles 213, and Detroit 313.

Sep 29, 2022•1 min read

Fun Fact: AT&T created the American area code system in 1947. Because lower numbers had less travel and were quicker to dial, larger cities were given lower area codes (excluding 0). The top 5 cities: New York 212, Chicago 312, Philadelphia 215, Los Angeles 213, and Detroit 313.

Source

en.wikipedia.org

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