Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 065J ONE RING NETWORKS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
469-482 A Dallas Fort Worth Airport TX DLLSTX3794Z  552      
469-482 1 Dallas Fort Worth Airport TX   552   2018-07-09   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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