How many different telephone numbers can be used on a city that has 6 area codes?.

asked Mar 24, 2023 98.8k views

22 votes

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12 votes

well it is going to be 10,000,000 (000-0000 to 999-9999) minus any number before 100-0000 that would make 9,000,000 legal numbers.

i would have to guess

Vikas Singhal answered Mar 28, 2023

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