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From: cmoore@BRL.ARPA (Carl Moore, VLD/VMB)
Newsgroups: mod.telecom
Subject: prefix duplication in newly-split area code
Message-ID: <8601072348.AA12586@ucbvax.berkeley.edu>
Date: Tue, 31-Dec-85 19:26:49 EST
Article-I.D.: ucbvax.8601072348.AA12586
Posted: Tue Dec 31 19:26:49 1985
Date-Received: Wed, 8-Jan-86 03:14:37 EST
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Organization: The ARPA Internet
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Approved: telecom@mit-xx.arpa

When a new area code is created, how long does it take before any prefix
is duplicated between the new area code and what's left of the one that
was split?  For example, if you look up addresses with phone #'s in
New York City, you can go on quite a while with the list of 212-area-
before-creation-of-718 prefixes.