Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 214 [Rate centres in NPA 214] [Dial plan for NPA 214]

NXX: 774

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
214-774 A Dallas TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
214-774 0 Dallas TX   903C ONVOY, LLC - TX 552      
214-774 1 Dallas TX   903C ONVOY, LLC - TX 552      
214-774 2 Dallas TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-10-03   
214-774 3 Dallas TX   903C ONVOY, LLC - TX 552      
214-774 4 Dallas TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-10-03   
214-774 5 Dallas TX   903C ONVOY, LLC - TX 552      
214-774 6 Dallas TX   903C ONVOY, LLC - TX 552      
214-774 7 Dallas TX   5562 METROPCS, INC. 552   2006-06-06   
214-774 8 Dallas TX   903C ONVOY, LLC - TX 552      
214-774 9 Dallas TX   793K TWC IP ENABLED SERVICES, LLC 552   2007-07-27   

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

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