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.

North Royalton, OH

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
440-230 A NRTNOH2323A  9321 OHIO BELL TEL CO 320      
440-230 0 NRTNOH2323A  9321 OHIO BELL TEL CO 320      
440-230 1 NRTNOH2323A  9321 OHIO BELL TEL CO 320      
440-230 2 NRTNOH2323A  9321 OHIO BELL TEL CO 320      
440-230 3 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2014-05-23   
440-230 4 CLEVOHEKIMD  145J TERRA NOVA TELECOM INC. 320   2023-08-09   
440-230 5 NRTNOH2323A  9321 OHIO BELL TEL CO 320      
440-230 6 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2010-02-19   
440-230 7 CLEVOH62XQZ  508J CENTURYLINK COMMUNICATIONS, LLC 320   2014-03-31   
440-230 8 CLEVOHEKDS1  284F PEERLESS NETWORK OF OHIO, LLC - OH 320   2013-04-26   
440-230 9 NRTNOH2323A  9321 OHIO BELL TEL CO 320      
440-237 A NRTNOH2323A  9321 OHIO BELL TEL CO 320      
440-372 A CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-372 0 CLEVOHEK9MD  073H TELNYX LLC 320   2023-09-10   
440-372 1 CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320   2004-10-20   
440-372 2   515J IP HORIZON LLC 320   2024-03-07   
440-372 3 CLEVOHEKNMD  506J TWILIO INTERNATIONAL, INC. 320   2021-08-17   
440-372 4 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-03-08   
440-372 6 CLEVOHEKKMD  516J TON80 COMMUNICATIONS, LLC 320   2021-09-08   
440-372 7 CLEYOHDH0MD  0977 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - OH 320   2004-03-10   
440-372 8 CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2006-06-16   
440-372 9 CLEVOHEK9MD  073H TELNYX LLC 320   2021-03-06   
440-390 A INDPOHEB2MD  6529 T-MOBILE USA, INC. 320      
440-390 0 INDPOHEB2MD  6529 T-MOBILE USA, INC. 320      
440-390 1 INDPOHEB2MD  6529 T-MOBILE USA, INC. 320   2006-09-30   
440-390 2 INDPOHEB2MD  6529 T-MOBILE USA, INC. 320   2007-05-19   
440-390 3 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2014-05-23   
440-390 4 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2017-01-08   
440-390 5 INDPOHEB2MD  6529 T-MOBILE USA, INC. 320   2017-06-26   
440-390 6 INDPOHEB2MD  6529 T-MOBILE USA, INC. 320   2017-06-26   
440-390 7 CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320   2021-06-07   
440-390 8 INDPOHEB2MD  6529 T-MOBILE USA, INC. 320      
440-390 9 INDPOHEB2MD  6529 T-MOBILE USA, INC. 320      
440-457 A CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320      
440-457 0 CLEVOHEKDS1  284F PEERLESS NETWORK OF OHIO, LLC - OH 320   2013-04-26   
440-457 1 CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320      
440-457 2 CLEVOH6207Z  318J COMCAST IP PHONE, LLC 320   2005-10-24   
440-457 3 CLEVOH6207Z  318J COMCAST IP PHONE, LLC 320   2018-03-10   
440-457 4 CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320      
440-457 5 CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2006-06-16   
440-457 6 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2023-10-27   
440-457 7 CLEVOH024MD  516C AT&T CORP. 320   2006-05-02   
440-457 8 CLEVOHEK4MD  073H TELNYX LLC 320   2017-03-14   
440-457 9 CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320      
440-582 A NRTNOH2323A  9321 OHIO BELL TEL CO 320      
440-628 A CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-628 1 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2015-02-20   
440-628 2 CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2005-01-13   
440-628 3 CLEYOHIGDS2  7520 XO OHIO, INC. 320   2006-12-11   
440-628 4 CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2003-08-23   

1 2 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.