Re: Feature Group B CICs and CACs prior to expansion [telecom]

In <jptoll$5qv$1@xxxxxxxxxxxxxxxxxx> John David Galt <jdg@xxxxxxxxxxxxxxxxxxxxxxxxx> writes:
[snip]

However, checking the NANPA list, there are also 1XXX CICs, suggesting that
some three-digit CICs had 1 prepended. Prior to expansion, was the CAC also
950-1XXX for certain carriers?

MCI's was 950-1022. I guess they just chopped off the last digit of 10222
rather than the first.

I recall at least a couple of 950- numbers were assigned that were not for
LD carriers at all, but just for certain nationwide businesses with lots of
stores to have the same number everywhere. I suspect that they invented a
private IXC for the purpose. (A bank and a pizza place, IIRC.)

I don't know what happened behind the curtain, but the
phone number used by the "credit card dial up machines"
used for Medicaid in the NYC region in (roughly) 1990
was a "950" line.



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