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: 919 [Rate centres in NPA 919] [Dial plan for NPA 919]

NXX: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
919-378 A Cary NC RTPKNCBFDS0  7835 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 426      
919-378 0 Cary NC RLGHNCHOX2Z  998E BANDWIDTH.COM CLEC, LLC - NC 426      
919-378 1 Cary NC RLGHNCHOX2Z  998E BANDWIDTH.COM CLEC, LLC - NC 426      
919-378 2 Cary NC RLGHNCHO46Z  8660 WINDSTREAM NUVOX, INC. 426      
919-378 3 Cary NC RTPKNCBFDS0  7835 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 426      
919-378 4 Cary NC RTPKNCBFDS0  7835 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 426      
919-378 5 Cary NC RTPKNCBFDS0  7835 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 426      
919-378 6 Cary NC RTPKNCBFDS0  7835 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 426      
919-378 7 Cary NC RTPKNCBFDS0  7835 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 426      
919-378 8 Cary NC RLGHNCHOXYZ  508J CENTURYLINK COMMUNICATIONS, LLC 426      
919-378 9 Cary NC   793K TWC IP ENABLED SERVICES, LLC 426      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.