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.

Huntsville, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
937-589 A MNFDOHMM0MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 923      
937-589 0   515J IP HORIZON LLC 923   2024-03-01   
937-589 1 MNFDOHXAXAX  001F BANDWIDTH.COM CLEC, LLC - OH 923   2009-01-04   
937-589 2 MNFDOHXAXAX  001F BANDWIDTH.COM CLEC, LLC - OH 923   2011-03-12   
937-589 3 MNFDOHXAXAX  001F BANDWIDTH.COM CLEC, LLC - OH 923   2014-05-23   
937-589 4 MNFDOHMM0MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 923   2005-03-10   
937-589 5 MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2016-04-20   
937-589 6 MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2016-04-20   
937-589 7 LIMAOHIB9MD  508J CENTURYLINK COMMUNICATIONS, LLC 923   2014-02-14   
937-589 8 MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2016-04-20   
937-589 9 BLLFOHXAGMD  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 923   2013-09-30   
937-686 A HNVIOHXARS2  0661 UNITED TEL. CO. OF OHIO DBA CENTURYLINK 923      
937-932 A MNFDOHXAXDX  464C ONVOY, LLC - OH 923      
937-932 0 MNFDOHXAX0Y  073H TELNYX LLC 923   2021-01-09   
937-932 1 MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2020-07-25   
937-932 2 MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2020-07-25   
937-932 3 MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2021-03-12   

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.