LATA Map
Rene Oxild
plenty of maps showing the boundries of the RBOC's but I haven't found a
breakdown of the LATA's. Any help would be greatly appreciated. Thank you.
Al Varney
You have to know your "need" to assess the right source of information.
CCMI (Center for Communications Management Information) used to
sell such information. I have a 1-page give-away version they handed out
several years ago. But this is useful only for determining the Number and
Name of a LATA. But they also sell LATA directories for real $$.
Also available are rate/tariff databases, etc.
(CCMI is on +1 301 816-8950 -- ask for Extension 835).
For 1-page-per-state level of detail, you could use Bellcore's
documentation -- the "Notes on the Network" latest version has a list of
the LATA(s) associated with various states (no maps). The older 1986
version had fairly detailed maps without any roads or other political
boundaries to associate with the boundaries. But better than
the CCMI free map, because they showed cases where LATAs crossed state
boundaries.
If you need to translate NPA-NXX to LATA number accurately, then you
need the Local Exchange Routing Guide (LERG) information from Bellcore,
available in various media (disk, tape, paper!).
Bellcore documents are available by calling 1-800-521-2673 (USA/Canada)
or +1 908 699-5800.
I don't know of any "road-map" style maps that show LATA boundaries,
since the LATA is defined on a WIRE CENTER basis, not a geographic basis.
(That is, a location not currently served by telephone will be included
in the appropriate LATA only when it becomes part of a wire center.)
Al Varney
Seymour Dupa
: If you need to translate NPA-NXX to LATA number accurately, then you
: need the Local Exchange Routing Guide (LERG) information from Bellcore,
: available in various media (disk, tape, paper!).
Would this be the same as exchange/prfix boundries?