Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DRHMNCXB48F

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
919-401 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-402 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-402 0 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-402 1 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-402 2 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-402 4 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-402 5 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-402 8 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-402 9 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-403 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-408 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-408 0 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-408 3 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-408 5 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-408 8 Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-419 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-489 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-490 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      
919-493 A Durham NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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