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From: ndallen@contact.uucp (Nigel Allen)
Newsgroups: comp.dcom.telecom
Subject: Re: Translating Alpha Phone Numbers
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Date: 4 Jun 90 01:17:09 GMT
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X-Telecom-Digest: Volume 10, Issue 411, Message 7 of 8


David L Kindred (Dave) asks:

>"Anyone have any particulars on who/when/why the Z and Q have been
>on/not on the Zero digit?"
  
Perhaps those letters disappeared because they were used in the
channel designations for manual mobile telephone service.
  
I don't have a complete list of those channel designations, but the
Toronto telephone directory includes YL6-6709 and JS3-4438.
  
Neither number includes Z or Q, so my theory may not be valid.
 
A clarification: The channel number, I believe, is the first two
characters, so the channel designation is always two letters.