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.
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Switch: DRHMNCXTDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
919-220 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-317 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-317 0 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-317 1 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-317 4 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-317 5 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-317 7 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-317 8 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-317 9 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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