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.

Montrose (Cuyahoga), OH

1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
216-220 A CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
216-220 0 CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2005-02-03   
216-220 1 CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320   2008-09-13   
216-220 2 CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2008-02-09   
216-220 3 CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2008-02-09   
216-220 4 CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
216-220 5 CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2005-12-16   
216-220 6 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2010-09-02   
216-220 7 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2011-02-03   
216-220 8 CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2011-06-05   
216-220 9 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2011-12-11   
216-247 A CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2025-11-16   
216-247 0 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2025-11-16   
216-247 1 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2026-02-20   
216-247 2 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2026-02-26   
216-247 3 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2026-02-26   
216-247 4 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2026-03-22   
216-247 5 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2026-03-22   
216-247 6 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2026-03-22   
216-247 8 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2026-01-04   
216-247 9 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2026-01-04   
216-300 A CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2024-08-06   
216-300 0 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2024-08-06   
216-300 1 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2024-10-20   
216-300 2 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2024-12-14   
216-300 3 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2024-08-06   
216-300 4 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2025-01-05   
216-300 5 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2025-01-05   
216-300 6 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2024-08-06   
216-300 7 CLEVOHEKDS1  284F PEERLESS NETWORK OF OHIO, LLC - OH 320   2025-01-20   
216-300 8 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2024-11-03   
216-300 9 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2024-11-03   
216-332 A MPHGOH6658A  9321 OHIO BELL TEL CO 320      
216-332 0 MPHGOH6658A  9321 OHIO BELL TEL CO 320      
216-332 1 MPHGOH6658A  9321 OHIO BELL TEL CO 320      
216-332 2 MPHGOH6658A  9321 OHIO BELL TEL CO 320      
216-332 3 CLEVOHEK9MD  073H TELNYX LLC 320   2021-04-19   
216-332 4 MPHGOH6658A  9321 OHIO BELL TEL CO 320      
216-332 5 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-04-12   
216-332 6 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-04-12   
216-332 7 MPHGOH6658A  9321 OHIO BELL TEL CO 320      
216-332 8 MPHGOH6658A  9321 OHIO BELL TEL CO 320      
216-332 9 MPHGOH6658A  9321 OHIO BELL TEL CO 320      
216-343 A CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320      
216-343 0 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2020-11-02   
216-343 1 CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2020-11-02   
216-343 2 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-01-30   
216-343 3 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-01-30   
216-343 4 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-01-30   
216-343 5 CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-01-30   

1 2 3 4 5 6 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.