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.

Switch: DRHMNCXHDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
919-472 A Durham (Research Triangle Park) NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-474 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-474 0 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-474 1 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-474 2 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-474 3 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-474 4 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-474 5 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-474 7 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-474 8 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-474 9 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-476 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-884 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-884 2 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-905 A Durham (Research Triangle Park) NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-941 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-943 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-991 A Durham (Research Triangle Park) NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-992 A Durham (Research Triangle Park) NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-993 A Durham (Research Triangle Park) NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-994 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-997 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-998 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-998 1 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-998 2 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-998 3 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-998 4 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-998 5 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-998 7 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.