TELECOM Digest OnLine - Sorted: Re: NPA - NNX


Mr Joseph Singer (
Sun, 23 Apr 2006 11:37:48 PDT

On Fri, 21 Apr 2006 13:05:10 -0500 Jan Schmidt <>

> Am looking for a site where one can enter the AC and NNX and find out
> what city the telephone number is located in. Do you offer that
> somewhere on your web site?

One site to look at is <> There is
also a lookup on, but don't have that handy. Just checked it
out if you go to and type in the search box NXX it
will tell you where that is e.g. NXX = 508-775 will get you a result of
Hyannis, Massachusetts. NXX = 206-354 will show Seattle, Washington
NXX = 207-549 will show North Whitefield, Maine.

Oh, and BTW NNX is likely not what you're looking for. NXX would be
the format of area codes and central office codes. NXX means N= any
number between 2 and 9 and X= any number i.e. 0 - 9 (including 1 and

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