RE: Link

Bernie, Bernie, Bernie... These "prefixes" are called exchanges.

Area code - Exchange - Phone Number
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This is an interesting little article about the history of telephones. There's a picture of a strange looking device with a circular thing on the front. For the younger set, that's called a 'rotary phone'.

Dang, I'm getting old!!
My family's first phone in Kentucky has three numbers. When I lived in Los Angeles, I loved all the exotic sounding exchanges. Now I have to write everything down.
what really would have been cool, but beyond the KISS method that the article typically is in was talking a little about the reason for so many exchanges (Phone deregulation and old 10,000 number block assignment requirements) You'll be surprised how hard it was to change all of that, especially if you understand how SS7 works...

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