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| | ViewsNXXFrom PBX WikiExchanges (NXXs) are the three-digit code following the NPA in telephone numbers following the format: 1 (NPA) NXX - XXXX NXX are programmed in LD 90 and are part of BARS
[edit] PBX Programming Procedures[edit] Creating a New NXX[edit] Printing Existing NXX(s)[edit] Notes[edit] References
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