The LERG is a database that can be purchased from Telcordia.
It contains information on every telephone switch in North America and which phone numbers they cover.
Most telephone companies build their routing tables from the LERG data.
New editions are published monthly.

Alternative sources of this information

Web Lookup Tools


See Also

Created by: jht2, Last modification: Mon 31 of May, 2010 (19:10 UTC) by admin
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