From: fred9@mediaone.net (Fred)
Subject: Out of Area Calls on CallerID  
Date: 1999/12/06
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Reply-To: fred9@bigfoot.com
NNTP-Posting-Date: Mon, 06 Dec 1999 01:29:25 EST
Newsgroups: alt.cellular-phone-tech,alt.personals.phone,alt.sex.phone,alt.sex.telephone,fido.phones

Which long-distance telephone companies in the US show up on  CallerID
(CID) as Out of Area?  

I guess that means the question is:  Which carriers are NON SS7
carriers?