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: 728

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-728 A Willoughby OH CLEVOHIBDS1  8638 GLOBAL CROSSING LOCAL SERVICES, INC. - OH 320      
440-728 0 Willoughby OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2003-04-12   
440-728 1 Willoughby OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2003-04-12   
440-728 2 Willoughby OH CLEVOHIBDS1  8638 GLOBAL CROSSING LOCAL SERVICES, INC. - OH 320      
440-728 3 Willoughby OH CLEVOHIBDS1  8638 GLOBAL CROSSING LOCAL SERVICES, INC. - OH 320      
440-728 4 Willoughby OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2003-04-12   
440-728 5 Willoughby OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2003-04-12   
440-728 6 Willoughby OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2003-04-12   
440-728 7 Willoughby OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320   2003-04-12   
440-728 8 Willoughby OH CLEVOHBBGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 320   2010-04-23   
440-728 9 Willoughby OH CLEVOHIBDS1  8638 GLOBAL CROSSING LOCAL SERVICES, INC. - OH 320      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.