Local Calling Guide

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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 606

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-606 A Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 0 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 1 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 2 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 3 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 4 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 5 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 6 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-606 7 Arlington EMS TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-04-02   
817-606 8 Arlington EMS TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-02-19   
817-606 9 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2007-07-01   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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