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: CMBROHXB4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
220-356 8 Byesville OH 464C ONVOY, LLC - OH 324   2023-10-27   
220-740 A Lower Salem OH 464C ONVOY, LLC - OH 324      
220-740 0 Lower Salem OH 464C ONVOY, LLC - OH 324   2023-01-05   
220-740 7 Lower Salem OH 464C ONVOY, LLC - OH 324   2023-01-05   
740-265 8 Dexter City OH 464C ONVOY, LLC - OH 324   2023-09-30   
740-365 1 Caldwell OH 464C ONVOY, LLC - OH 324   2023-09-16   
740-781 3 Cambridge OH 464C ONVOY, LLC - OH 324   2023-08-13   
740-801 4 Cambridge OH 464C ONVOY, LLC - OH 324   2023-08-13   
740-801 5 Cambridge OH 464C ONVOY, LLC - OH 324   2023-08-13   
740-801 6 Cambridge OH 464C ONVOY, LLC - OH 324   2023-08-13   
740-801 9 Cambridge OH 464C ONVOY, LLC - OH 324   2023-08-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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