Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: LWVLTXHQCM0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-227 A Arlington EMS TX 9748 AMERICAN MESSAGING SERVICES, LLC 552      
817-407 A Arlington EMS TX 9748 AMERICAN MESSAGING SERVICES, LLC 552      
817-418 A Arlington TX 9748 AMERICAN MESSAGING SERVICES, LLC 552      
817-425 A Arlington EMS TX 9748 AMERICAN MESSAGING SERVICES, LLC 552      
817-432 A Arlington EMS TX 9748 AMERICAN MESSAGING SERVICES, LLC 552      
817-434 A Arlington EMS TX 9748 AMERICAN MESSAGING SERVICES, LLC 552      
817-452 A Arlington EMS TX 9748 AMERICAN MESSAGING SERVICES, LLC 552      
817-667 A Arlington EMS TX 9748 AMERICAN MESSAGING SERVICES, LLC 552      
817-669 A Arlington TX 9748 AMERICAN MESSAGING SERVICES, LLC 552      

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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