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From: dattier@jolnet.orpk.il.us (David Tamkin)
Newsgroups: comp.dcom.telecom
Subject: Re: Splits of NNX?
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Date: 25 Sep 89 16:12:00 GMT
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X-TELECOM-Digest: volume 9, issue 411, message 8 of 8


 From Carl Moore, in volume 9, issue 389:

| I am also NOT aware of N0X/N1X prefixes in use in the following
| splits after 1980:
| 305/407 in Florida
| 303/719 in Colorado

[The absence of N0X/N1X in the 617/508 split had been noted before.]

| The only splits from 1965 thru 1981 are:
| 305/904 in Florida in 1965 (305 was split again last year to form 407)
| 703/804 in Virginia in 1973 (N0X/N1X has since come to DC area, with
|    some of those prefixes coming to Va. suburbs, in 703)

And 713/409 in Texas in perhaps the mid-'70's, and 714/619 in California
around 1979 or 1980.

| [Moderator's Note: The 703/804 split was the first, nearly twenty five years
| ago, if memory serves me. Then the 305/904 split. Then none for many years,
| until the one in New York. Is my timing correct?  PT]

I think the very first split was 404/912 in Georgia.

Probably the only splits where N0X/N1X prefixes *were* used first have been
213/818, 212/718, 312/708, and 201/908 (unless one considers the change from
seven-digit to eleven-digit interstate dialing in metropolitan DC a "split").
NNX adherence seems to be the rule rather than the exception: I believe
214/903 and 415/510 will be splitting without use of N0X/N1X.

David Tamkin   dattier@jolnet.orpk.il.us  {attctc,netsys,ddsw1}!jolnet!dattier
P. O. Box 813  Rosemont, Illinois  60018-0813   (312) 693-0591  (708) 518-6769
BIX: dattier                   GEnie: D.W.TAMKIN               CIS: 73720,1570
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