Does any one recognize this binary data storage format

Christopher Subich spam.csubich+block at
Wed Aug 10 03:13:34 CEST 2005

Grant Edwards wrote:
> And I'll guarantee that the difference between 333-3333 and
> 666-6666 has to be more than 1-bit.  There's no way that can be
> the correct data unless it's something like an index into a
> different table or a pointer or something along those lines.

Absolutely.  I hadn't even taken a good look at those datapoints yet.

The dataset that I'd like to see:

I also wonder if the last 8-16 bits involves, at least in part, a count 
of the length of the phone number, or at least a flag to distinguish 7 
from 10 digits.

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