Knox, Dave (Dallas, TX) <[log in to unmask]> ponders thusly:

> Now that I'm totally confused, are you telling me that you and your
neighbor
> could have phone numbers one digit apart, with the SAME NXX (exchange)
> number (given Art's example say 246-xxxx and your neighbor is 246-yyyy),
and
> you can have DIFFERENT NPA's (area codes) ?

Yep.

> i.e. you become 617-246-xxxx, and your neighbor stays as 503-246-yyyy ???

Yep.

> If that's the case, it sounds like my bright idea is out the window and
> someone's gonna be making a lot of phone calls !

Yep.  While the aboves are definitely possible, I would think that the local
telco (or whoever makes the call about assigning new exchanges) would try to
restrict the number of duplicate exchanges within overlaid area codes.

> When they "overlay" a new NPA, how do they determine who's number changes,
> or does it just apply to new numbers as they are established ? And when
> doing so, they can use NXX numbers from the existing NPA ?

Here in BNEOH, we just started 10-digit dialing yesterday, due to an overlay
of a new area code (234).   And yes, they did some wholesale changes for
certain "key" companies.  For instance, one of the local hospitals kept
their NXX but now have 234 instead of 330 for their area code.

Jim Phillips                            Manager of Information Systems
E-Mail: [log in to unmask]     Therm-O-Link, Inc.
Phone: (330) 527-2124                   P. O. Box 285
  Fax: (330) 527-2123                   10513 Freedom Street
  Web: http://www.tolwire.com  Garrettsville, Ohio  44231