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.

Ironton, OH

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
740-237 A CLMBOH11XKZ  8568 SPRINT SPECTRUM L.P.- OH 324      
740-237 0 CLMBOH11XKZ  8568 SPRINT SPECTRUM L.P.- OH 324      
740-237 1 MRTTOH377MD  9681 FIBERNET OF OHIO, LLC - OH 324   2008-02-23   
740-237 2 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2008-05-21   
740-237 3 CLMBOH11XLZ  001F BANDWIDTH.COM CLEC LLC - OH 324   2010-02-20   
740-237 4 CLMKOHPEPS0  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2008-03-24   
740-237 5 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2010-06-10   
740-237 6 CLMBOH11XKZ  8568 SPRINT SPECTRUM L.P.- OH 324      
740-237 7 CLMBOH11XLZ  001F BANDWIDTH.COM CLEC LLC - OH 324   2015-05-22   
740-237 8 CLMBOHIADS0  0977 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - OH 324   2004-03-15   
740-237 9 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2008-05-21   
740-302 A CLMBOH1100Z  7421 AT&T LOCAL 324      
740-302 0 CLMBOH11XLZ  001F BANDWIDTH.COM CLEC LLC - OH 324   2010-09-02   
740-302 1 CLMDOH448MD  073H TELNYX LLC 324   2017-06-01   
740-302 2 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2009-11-11   
740-302 3 CLMBOH11XLZ  001F BANDWIDTH.COM CLEC LLC - OH 324   2011-02-04   
740-302 4 CLMBOH11XJZ  516C AT&T CORP. 324   2011-06-06   
740-302 5 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2010-11-08   
740-302 6 CLMBOH1116Z  036B CITYNET OHIO, LLC - OH 324   2007-03-10   
740-302 7 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2011-06-24   
740-302 8 CLMBOH11XLZ  001F BANDWIDTH.COM CLEC LLC - OH 324   2012-05-03   
740-302 9 CLMBOH1100Z  7421 AT&T LOCAL 324      
740-307 A WOTNOHFCDS0  4852 FIRST COMMUNICATIONS LLC DBA CORECOMM - OH 324      
740-307 0 SCVIOHAGCM2  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2010-03-03   
740-307 1 SCVIOHAGCM2  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2008-06-23   
740-307 2 SCVIOHAGCM2  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2009-11-16   
740-307 3 CLMBOH11XLZ  001F BANDWIDTH.COM CLEC LLC - OH 324   2015-05-22   
740-307 4 CLMBOHLT2MD  169H LOCAL ACCESS LLC - OH 324   2016-10-12   
740-307 5 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2015-09-03   
740-307 6 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2014-09-16   
740-307 7 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2012-10-13   
740-307 8 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2014-09-16   
740-307 9   4852 FIRST COMMUNICATIONS LLC DBA CORECOMM - OH 324      
740-377 A SPNTOH37RS1  9321 AMERITECH OHIO 324      
740-377 0 SPNTOH37RS1  9321 AMERITECH OHIO 324      
740-377 1   547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2020-05-29   
740-377 2 SPNTOH37RS1  9321 AMERITECH OHIO 324      
740-377 3 SPNTOH37RS1  9321 AMERITECH OHIO 324      
740-377 4 SPNTOH37RS1  9321 AMERITECH OHIO 324      
740-377 5 SCVIOHAGCM2  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2010-06-17   
740-377 6   464C ONVOY, LLC - OH 324   2021-04-13   
740-377 7 CLMDOH44IMD  145J TERRA NOVA TELECOM INC. 324   2020-12-31   
740-377 8 CLMBOH11XLZ  001F BANDWIDTH.COM CLEC LLC - OH 324   2009-01-05   
740-377 9 SPNTOH37RS1  9321 AMERITECH OHIO 324      
740-414 A CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-414 0 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2008-12-22   
740-414 1 CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-04-02   
740-414 2 CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2005-04-02   
740-414 3 CLMBOH11XLZ  001F BANDWIDTH.COM CLEC LLC - OH 324   2012-12-06   
740-414 4 CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      

1 2 3 >>

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.