Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 4792 XO NORTH CAROLINA, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
336-450 A Greensboro NC GNBONCEU33Z  424      
336-450 0 Greensboro NC GNBONCEU33Z  424      
336-450 1 Greensboro NC GNBONCEU33Z  424      
336-450 2 Greensboro NC GNBONCEU33Z  424      
336-450 3 Greensboro NC GNBONCEU33Z  424      
336-450 4 Greensboro NC GNBONCEU33Z  424      
336-450 5 Greensboro NC GNBONCEU33Z  424      
919-590 A Chapel Hill NC RLGHNCJV5MD  426      
919-590 1 Chapel Hill NC RLGHNCJV5MD  426      
980-422 A Charlotte NC CHRLNCRL4MD  422      
980-422 0 Charlotte NC CHRLNCRL4MD  422      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.