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: 970

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-970 A Burton OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320      
440-970 0 Burton OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2016-04-28   
440-970 1 Burton OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2016-04-28   
440-970 2 Burton OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2020-01-09   
440-970 3 Burton OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2020-01-09   
440-970 4 Burton OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320   2021-06-06   
440-970 5 Burton OH CLEYOHDH0MD  0265 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - OH 320   2016-05-02   
440-970 6 Burton OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-03-08   
440-970 7 Burton OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-03-08   
440-970 8 Burton OH CLEVOHEKNMD  506J TWILIO INTERNATIONAL, INC. 320   2021-08-17   
440-970 9 Burton OH CLEVOHEK4MD  073H TELNYX LLC 320   2018-09-20   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.