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.

NPA: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 379

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-379 A Kirtland OH CLEVOHIBDS1  8638 GLOBAL CROSSING LOCAL SERVICES, INC.-OH 320      
440-379 0 Kirtland OH CLEVOH62X0Z  001F BANDWIDTH.COM CLEC LLC - OH 320   2011-04-03   
440-379 1 Kirtland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2012-10-13   
440-379 4 Kirtland OH CLEVOHAQDS1  7520 XO OHIO, INC. 320   2005-07-19   
440-379 5 Kirtland OH CLEVOHAQDS1  7520 XO OHIO, INC. 320   2005-07-19   
440-379 6 Kirtland OH CLEYOHIGDS2  7520 XO OHIO, INC. 320   2005-07-19   
440-379 7 Kirtland OH CLEVOH64X7X  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 320   2007-04-25   
440-379 8 Kirtland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2020-05-18   
440-379 9 Kirtland OH CLEVOHIBDS1  8638 GLOBAL CROSSING LOCAL SERVICES, INC.-OH 320      

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.