LERG
The industry routing database (now the TRA BIRRDS/LERG product) that maps every NPA-NXX and thousands-block to its serving switch, rate center and carrier. Public NANPA reports expose a subset of this data.
The industry routing database (now the TRA BIRRDS/LERG product) that maps every NPA-NXX and thousands-block to its serving switch, rate center and carrier. Public NANPA reports expose a subset of this data.