Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DRHMNCXFRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
919-254 A Durham (Research Triangle Park) NC 4334 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 426      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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