Local Calling Guide

Area code/prefix search

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

NXX: 501

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
214-501 A Plano TX   793K TWC IP ENABLED SERVICES, LLC 552      
214-501 0 Plano TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-05-01   
214-501 1 Plano TX   903C ONVOY, LLC - TX 552   2008-02-20   
214-501 2 Plano TX   793K TWC IP ENABLED SERVICES, LLC 552   2007-08-07   
214-501 3 Plano TX   793K TWC IP ENABLED SERVICES, LLC 552   2007-08-07   
214-501 4 Plano TX   793K TWC IP ENABLED SERVICES, LLC 552   2007-08-07   
214-501 5 Plano TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-06-16   
214-501 6 Plano TX   903C ONVOY, LLC - TX 552   2008-04-25   
214-501 7 Plano TX   903C ONVOY, LLC - TX 552   2008-05-27   
214-501 8 Plano TX   903C ONVOY, LLC - TX 552   2008-05-27   
214-501 9 Plano TX   903C ONVOY, LLC - TX 552   2009-07-23   

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

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