Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-291 A Greensboro NC GNBONCEUDS4  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 0 Greensboro NC GNBONCEUDS4  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 1 Greensboro NC GNBONCEUDS4  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 2 Greensboro NC GNBONCEUDS4  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 3 Greensboro NC   638E ONVOY, LLC - NC 424   2009-01-21   
336-291 4 Greensboro NC GNBONCEUDS4  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 5 Greensboro NC GNBONCEUDS4  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      
336-291 6 Greensboro NC   638E ONVOY, LLC - NC 424   2009-01-21   
336-291 7 Greensboro NC   638E ONVOY, LLC - NC 424   2009-01-21   
336-291 8 Greensboro NC GNBONCEUY1X  793K TWC IP ENABLED SERVICES, LLC 424   2015-09-28   
336-291 9 Greensboro NC GNBONCEUDS4  8389 TELEPORT COMMUNICATIONS AMERICA, LLC - NC 424      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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