Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Spencerville, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
419-548 A LIMAOHXAX8X  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 923      
419-548 0   001F BANDWIDTH.COM CLEC, LLC - OH 923   2020-07-31   
419-548 1   624H ONVOY SPECTRUM, LLC 923   2021-12-14   
419-548 2   464C ONVOY, LLC - OH 923   2021-08-15   
419-548 3   624H ONVOY SPECTRUM, LLC 923   2021-12-14   
419-548 4   464C ONVOY, LLC - OH 923   2021-02-01   
419-548 5   464C ONVOY, LLC - OH 923   2018-09-13   
419-548 6   7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 923   2016-01-21   
419-548 7   624H ONVOY SPECTRUM, LLC 923   2021-12-14   
419-548 8   464C ONVOY, LLC - OH 923   2020-06-20   
419-548 9   624H ONVOY SPECTRUM, LLC 923   2021-12-14   
419-647 A SNVLOHXADS0  0615 FRONTIER NORTH, INC. - OH 923      
419-647 0   0615 FRONTIER NORTH, INC. - OH 923      
419-647 1   0615 FRONTIER NORTH, INC. - OH 923      
419-647 2   8168 TIER 2 COMMUNICATIONS, LLC 923   2007-08-20   
419-647 3   624H ONVOY SPECTRUM, LLC 923   2021-12-14   
419-647 4   0615 FRONTIER NORTH, INC. - OH 923      
419-647 5   0615 FRONTIER NORTH, INC. - OH 923      
419-647 6   0615 FRONTIER NORTH, INC. - OH 923      
419-647 7   7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 923   2005-03-12   
419-647 8   793K TWC IP ENABLED SERVICES, LLC 923   2007-02-13   
419-647 9   793K TWC IP ENABLED SERVICES, LLC 923   2013-09-30   
567-373 A MNFDOHXAXDX  464C ONVOY, LLC - OH 923      
567-373 0   464C ONVOY, LLC - OH 923   2023-08-26   
567-373 3   464C ONVOY, LLC - OH 923   2022-04-09   
567-373 7   145J TERRA NOVA TELECOM INC. 923   2025-08-10   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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