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: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-455 A Trinity OH CLEVOHEKDS1  284F PEERLESS NETWORK OF OHIO, LLC - OH 320      
440-455 0 Trinity OH   515J IP HORIZON LLC 320      
440-455 1 Trinity OH   793K TWC IP ENABLED SERVICES, LLC 320      
440-455 2 Trinity OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320      
440-455 3 Trinity OH CLEVOHEKDS1  284F PEERLESS NETWORK OF OHIO, LLC - OH 320      
440-455 4 Trinity OH CLEVOHEKDS1  284F PEERLESS NETWORK OF OHIO, LLC - OH 320      
440-455 5 Trinity OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320      
440-455 6 Trinity OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320      
440-455 7 Trinity OH CLEVOH62XQZ  508J CENTURYLINK COMMUNICATIONS, LLC 320      
440-455 8 Trinity OH NRTNOHIADMD  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 320      
440-455 9 Trinity OH   793K TWC IP ENABLED SERVICES, LLC 320      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.