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: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-664 A Kirtland OH CLEVOH64XCX  566J RADIANTIQ LLC 320      
440-664 0 Kirtland OH CLEVOH64XCX  566J RADIANTIQ LLC 320   2021-05-30   
440-664 1 Kirtland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2020-07-25   
440-664 2 Kirtland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2020-07-25   
440-664 3 Kirtland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2020-07-25   
440-664 4 Kirtland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-01-30   
440-664 5 Kirtland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-01-30   
440-664 6 Kirtland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-01-30   
440-664 7 Kirtland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-01-30   
440-664 8 Kirtland OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-01-30   
440-664 9 Kirtland OH CLEVOHEKNMD  506J TWILIO INTERNATIONAL, INC. 320   2021-08-17   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.