Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-299 A Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320   2024-12-31   
440-299 0 Mentor OH CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320   2004-08-23   
440-299 1 Mentor OH CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320   2004-08-23   
440-299 3 Mentor OH CLEVOH975MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 320      
440-299 4 Mentor OH CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320   2010-04-04   
440-299 5 Mentor OH CLEVOHEKX5X  460K FIRST COMMUNICATIONS, LLC 320   2008-05-30   
440-299 6 Mentor OH CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320   2007-05-13   
440-299 7 Mentor OH CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2010-09-02   
440-299 8 Mentor OH CLEVOH62X0Z  001F BANDWIDTH.COM CLEC, LLC - OH 320   2011-02-03   
440-299 9 Mentor OH CLEVOHEKIMD  145J TERRA NOVA TELECOM INC. 320   2025-01-03   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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