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A comment on Why 56k Modems Relied on Digital Phone Lines You Didn't Know We Had. Parent comment

Re:Why 56k Modems Relied on Digital Phone Lines You Didn't K... by shrubble on Friday March 07, 2025 @07:23AM (#43289589)
Yes, but it would usually be based on the first 3 or 6 numbers of your phone number. The first 3 are of course “area code” and the 6 are called “NPA-NXX”. This has blurred some due to line number portability and cell phones.
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