Local Calling Guide

Area code/prefix search

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Durham (Raleigh Border), NC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
919-293 A DRHMNCXEDS0  4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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