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.
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Switch: CMBROHXBIMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
220-210 1 New Concord OH 624H ONVOY SPECTRUM, LLC 324   2024-10-27   
220-740 1 Lower Salem OH 624H ONVOY SPECTRUM, LLC 324   2024-10-27   
220-902 A Barlow OH 624H ONVOY SPECTRUM, LLC 324      
220-902 9 Barlow OH 624H ONVOY SPECTRUM, LLC 324   2022-01-15   
740-255 9 Cambridge OH 624H ONVOY SPECTRUM, LLC 324   2022-11-11   
740-265 9 Dexter City OH 624H ONVOY SPECTRUM, LLC 324   2024-10-27   
740-365 9 Caldwell OH 624H ONVOY SPECTRUM, LLC 324   2024-10-27   
740-421 5 Cambridge OH 624H ONVOY SPECTRUM, LLC 324   2022-11-11   
740-421 7 Cambridge OH 624H ONVOY SPECTRUM, LLC 324   2022-11-11   
740-421 8 Cambridge OH 624H ONVOY SPECTRUM, LLC 324   2022-11-11   
740-429 8 Beverly OH 624H ONVOY SPECTRUM, LLC 324   2024-10-27   
740-631 8 Summerfield OH 624H ONVOY SPECTRUM, LLC 324   2024-10-27   
740-749 9 Watertown OH 624H ONVOY SPECTRUM, LLC 324   2024-10-27   
740-750 1 Lowell OH 624H ONVOY SPECTRUM, LLC 324   2024-10-27   
740-781 5 Cambridge OH 624H ONVOY SPECTRUM, LLC 324   2021-11-13   
740-781 6 Cambridge OH 624H ONVOY SPECTRUM, LLC 324   2021-11-13   
740-781 9 Cambridge OH 624H ONVOY SPECTRUM, LLC 324   2022-11-11   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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