Local Calling Guide

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

NXX: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-856 A Arlington EMS TX FTWOTXCRDS0  9533 SOUTHWESTERN BELL 552      
817-856 0 Arlington EMS TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-03-19   
817-856 1 Arlington EMS TX FTWOTXARDS0  9533 SOUTHWESTERN BELL 552      
817-856 2 Arlington EMS TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-08-15   
817-856 3 Arlington EMS TX FTWOTXCRDS0  9533 SOUTHWESTERN BELL 552      
817-856 4 Arlington EMS TX FTWOTXCRDS0  9533 SOUTHWESTERN BELL 552      
817-856 5 Arlington EMS TX FTWOTXCRDS0  9533 SOUTHWESTERN BELL 552      
817-856 6 Arlington EMS TX FTWOTXCRDS0  9533 SOUTHWESTERN BELL 552      
817-856 7 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2012-02-11   
817-856 8 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2012-02-11   
817-856 9 Arlington EMS TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-03-02   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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