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: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
919-406 A Durham (Research Triangle Park) NC DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-406 0 Durham (Research Triangle Park) NC DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-406 1 Durham (Research Triangle Park) NC DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-406 2 Durham (Research Triangle Park) NC DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-406 3 Durham (Research Triangle Park) NC DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-406 4 Durham (Research Triangle Park) NC MRVLNCCNCMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 426      
919-406 5 Durham (Research Triangle Park) NC DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-406 6 Durham (Research Triangle Park) NC DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-406 7 Durham (Research Triangle Park) NC DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-406 8 Durham (Research Triangle Park) NC DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-406 9 Durham (Research Triangle Park) NC DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.