Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-642 A Oakwood TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
903-642 1 Oakwood TX   793K TWC IP ENABLED SERVICES, LLC 552   2023-11-05   
903-642 4 Oakwood TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2021-09-16   
903-642 6 Oakwood TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-08-28   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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