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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-278 A Wickliffe OH INDPOHEB2MD  6529 T-MOBILE USA, INC. 320      
440-278 0 Wickliffe OH INDPOHEB2MD  6529 T-MOBILE USA, INC. 320      
440-278 1 Wickliffe OH INDPOHEB2MD  6529 T-MOBILE USA, INC. 320   2008-09-28   
440-278 2 Wickliffe OH CLEVOHEKKMD  516J TON80 COMMUNICATIONS, LLC 320   2021-09-09   
440-278 3 Wickliffe OH CLEVOHEKNMD  506J TWILIO INTERNATIONAL, INC. 320   2021-08-17   
440-278 4 Wickliffe OH CLEVOH64X7X  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 320   2006-12-06   
440-278 5 Wickliffe OH INDPOHEB2MD  6529 T-MOBILE USA, INC. 320   2021-03-01   
440-278 6 Wickliffe OH INDPOHEB2MD  6529 T-MOBILE USA, INC. 320   2021-03-01   
440-278 7 Wickliffe OH GAHGOHDIDS0  9682 FIRST COMMUNICATIONS, LLC - OH 320   2009-12-23   
440-278 8 Wickliffe OH INDPOHEB4MD  5562 METROPCS, INC. 320   2022-12-24   
440-278 9 Wickliffe OH INDPOHEB2MD  6529 T-MOBILE USA, INC. 320      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.