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.

Alton, OH

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
380-230 A CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324      
380-230 0   001F BANDWIDTH.COM CLEC, LLC - OH 324   2021-09-30   
380-230 1   001F BANDWIDTH.COM CLEC, LLC - OH 324   2021-09-30   
380-230 2   516J TON80 COMMUNICATIONS, LLC 324   2021-11-16   
380-230 3   464C ONVOY, LLC - OH 324   2024-01-12   
380-230 4   464C ONVOY, LLC - OH 324   2024-02-26   
380-230 5   464C ONVOY, LLC - OH 324   2024-02-26   
380-230 6   464C ONVOY, LLC - OH 324   2024-02-26   
380-230 7   464C ONVOY, LLC - OH 324   2024-02-26   
380-230 8   001F BANDWIDTH.COM CLEC, LLC - OH 324   2021-12-17   
380-230 9   001F BANDWIDTH.COM CLEC, LLC - OH 324   2021-12-17   
380-256 A CLMBOH1167Z  732J NUSO, LLC 324      
380-256 0   464C ONVOY, LLC - OH 324   2023-07-30   
380-256 1   732J NUSO, LLC 324   2022-12-30   
380-256 2   464C ONVOY, LLC - OH 324   2023-10-27   
380-256 3   464C ONVOY, LLC - OH 324   2023-10-27   
380-256 8   464C ONVOY, LLC - OH 324   2023-10-27   
380-256 9   464C ONVOY, LLC - OH 324   2023-10-27   
380-274 A CLMDOH449MD  939H COMMIO, LLC 324   2024-05-09   
380-274 0   939H COMMIO, LLC 324   2024-05-09   
380-274 1   939H COMMIO, LLC 324   2024-05-09   
380-274 2   939H COMMIO, LLC 324   2024-05-09   
380-274 3   939H COMMIO, LLC 324   2024-05-09   
380-274 4   464C ONVOY, LLC - OH 324   2024-07-05   
380-274 8   464C ONVOY, LLC - OH 324   2024-06-07   
380-274 9   073H TELNYX LLC 324   2024-05-10   
380-388 A CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
380-388 0   939H COMMIO, LLC 324   2021-06-20   
380-388 1   939H COMMIO, LLC 324   2021-06-20   
380-388 2   939H COMMIO, LLC 324   2021-06-20   
380-388 3   464C ONVOY, LLC - OH 324   2021-04-05   
380-388 4   464C ONVOY, LLC - OH 324   2021-04-05   
380-388 5   464C ONVOY, LLC - OH 324   2021-04-05   
380-388 6   464C ONVOY, LLC - OH 324   2021-04-05   
380-388 7   464C ONVOY, LLC - OH 324   2025-10-26   
380-388 8   464C ONVOY, LLC - OH 324   2021-04-05   
380-388 9   939H COMMIO, LLC 324   2021-06-20   
380-888 A CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
380-888 0   073H TELNYX LLC 324   2018-09-20   
380-888 1   284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2020-10-30   
380-888 2   464C ONVOY, LLC - OH 324   2020-04-23   
380-888 3   464C ONVOY, LLC - OH 324   2020-04-23   
380-888 4   464C ONVOY, LLC - OH 324   2020-04-23   
380-888 5   464C ONVOY, LLC - OH 324   2020-12-19   
380-888 6   001F BANDWIDTH.COM CLEC, LLC - OH 324   2020-11-30   
380-888 7   001F BANDWIDTH.COM CLEC, LLC - OH 324   2020-11-30   
380-888 8   464C ONVOY, LLC - OH 324   2017-12-30   
380-888 9   001F BANDWIDTH.COM CLEC, LLC - OH 324   2020-09-03   
614-200 A CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324      
614-200 0   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2014-05-17   
614-200 1   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2014-05-17   
614-200 2   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2014-05-17   
614-200 3   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2014-05-17   
614-200 4   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2014-05-17   
614-200 5   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2014-05-17   
614-200 6   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2014-05-17   
614-200 7   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2014-05-17   
614-200 8   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2014-05-17   
614-200 9   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2014-05-17   
614-335 A CLMDOH44VMD  829J PAETEC ITEL, LLC 324      
614-335 0   829J PAETEC ITEL, LLC 324      
614-335 1   829J PAETEC ITEL, LLC 324      
614-335 2   829J PAETEC ITEL, LLC 324      
614-335 3   829J PAETEC ITEL, LLC 324   2004-02-04   
614-335 4   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2003-08-23   
614-335 5   7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-06-10   
614-335 6   7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-11-29   
614-335 7   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-01-02   
614-335 8   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-01-02   
614-335 9   284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-26   
614-347 A CLMBOHFQDS2  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 324      
614-347 0   284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2013-04-26   
614-347 1   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-01-02   
614-347 2   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-01-02   
614-347 3   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-01-02   
614-347 4   508J CENTURYLINK COMMUNICATIONS, LLC 324   2013-12-02   
614-347 5   7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 324      
614-347 6   7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2005-09-05   
614-347 7   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2006-01-27   
614-347 8   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2006-01-27   
614-347 9   001F BANDWIDTH.COM CLEC, LLC - OH 324   2014-05-05   
614-385 A CLMBOH1169Z  7421 AT&T - LOCAL 324      
614-385 0   001F BANDWIDTH.COM CLEC, LLC - OH 324   2010-08-15   
614-385 1   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2004-11-22   
614-385 2   001F BANDWIDTH.COM CLEC, LLC - OH 324   2014-05-05   
614-385 3   001F BANDWIDTH.COM CLEC, LLC - OH 324   2011-02-04   
614-385 4   793K TWC IP ENABLED SERVICES, LLC 324   2004-07-12   
614-385 5   7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2005-10-16   
614-385 6   7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2005-10-16   
614-385 7   7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2005-10-16   
614-385 8   735E SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 324   2007-10-02   
614-385 9   7421 AT&T - LOCAL 324      
614-465 A   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
614-465 0   145J TERRA NOVA TELECOM INC. 324   2025-11-24   
614-465 1   145J TERRA NOVA TELECOM INC. 324   2025-04-09   
614-465 2   793K TWC IP ENABLED SERVICES, LLC 324   2007-06-08   
614-465 3   001F BANDWIDTH.COM CLEC, LLC - OH 324   2010-02-19   
614-465 4   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
614-465 6   001F BANDWIDTH.COM CLEC, LLC - OH 324   2009-01-04   
614-465 7   516C AT&T CORP. 324   2006-06-30   

1 2 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.