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.

Switch: ASBONCXAYMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-490 8 Denton NC 757D RANDOLPH TELEPHONE TELECOMMUNICATIONS, INC. - NC 424   2015-09-26   
336-523 A Asheboro NC 757D RANDOLPH TELEPHONE TELECOMMUNICATIONS, INC. - NC 424      
336-523 1 Asheboro NC 757D RANDOLPH TELEPHONE TELECOMMUNICATIONS, INC. - NC 424   2014-08-14   
336-737 8 Ramseur NC 757D RANDOLPH TELEPHONE TELECOMMUNICATIONS, INC. - NC 424   2015-03-16   
336-872 1 Seagrove NC 757D RANDOLPH TELEPHONE TELECOMMUNICATIONS, INC. - NC 424   2014-08-14   
910-606 1 Troy NC 757D RANDOLPH TELEPHONE TELECOMMUNICATIONS, INC. - NC 424   2014-12-05   
910-828 1 Biscoe NC 757D RANDOLPH TELEPHONE TELECOMMUNICATIONS, INC. - NC 424   2015-06-12   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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