Local Calling Guide

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

NXX: 673

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-673 A Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-673 0 Arlington EMS TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-09-16   
817-673 1 Arlington EMS TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-09-16   
817-673 2 Arlington EMS TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-09-16   
817-673 3 Arlington EMS TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-09-20   
817-673 4 Arlington EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
817-673 5 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-21   
817-673 6 Arlington EMS TX DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-21   
817-673 7 Arlington EMS TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-07-29   
817-673 8 Arlington EMS TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-07-29   
817-673 9 Arlington EMS TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-07-29   

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

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