TELECOM Digest OnLine - Sorted: Re: Unlisted Phone Number

Re: Unlisted Phone Number

Mr Joseph Singer (
Fri, 23 Mar 2007 01:13:28 -0700 (PDT) 21 Mar 2007 13:11:54 -0700 wrote:

> The same article reported that Direct Distance Dialing (1+) was
> available for all NYC subscribers. They could dial up to 39 states
> and provinces. Obviously many areas couldn't yet receive DDD calls in

New York City subscribers never used 1+ they either dialed 7 digits or
a 3 digit area code and 7 digits since they were mostly running panel
and crossbar offices. 1+ and 112+ were mostly used for step-by-step
offices though 1+ was adopted for DDD in areas that did have common
control switching (panel and crossbar.)

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