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: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-448 A Gates Mills OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320      
440-448 0 Gates Mills OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320   2021-11-19   
440-448 1 Gates Mills OH CLEVOHEKNMD  506J TWILIO INTERNATIONAL, INC. 320   2021-08-17   
440-448 2 Gates Mills OH CLEVOHEKDS0  464C ONVOY, LLC - OH 320   2021-01-30   
440-448 3 Gates Mills OH CLEYOHIGDS2  7520 XO OHIO, INC. 320   2005-07-19   
440-448 4 Gates Mills OH CLEYOHIGDS2  7520 XO OHIO, INC. 320   2005-07-19   
440-448 5 Gates Mills OH CLEVOH64X7X  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 320   2007-06-06   
440-448 6 Gates Mills OH CLEVOHIWDS0  7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320   2008-09-11   
440-448 7 Gates Mills OH CLEVOH024MD  516C AT&T CORP. 320   2007-02-19   
440-448 8 Gates Mills OH CLEYOHDH0MD  3765 CHOICE ONE COMMUNICATIONS, INC. - OH 320   2009-11-16   
440-448 9 Gates Mills OH CLEVOH64X0X  624H ONVOY SPECTRUM, LLC 320   2021-11-19   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.