Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 783

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-783 A Alvarado TX ALVDTXTIRS0  9533 SOUTHWESTERN BELL 552      
817-783 0 Alvarado TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-05-26   
817-783 1 Alvarado TX ALVDTXTIRS0  9533 SOUTHWESTERN BELL 552      
817-783 2 Alvarado TX ALVDTXTIRS0  9533 SOUTHWESTERN BELL 552      
817-783 3 Alvarado TX ALVDTXTIRS0  9533 SOUTHWESTERN BELL 552      
817-783 4 Alvarado TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-09-01   
817-783 5 Alvarado TX ALVDTXTIRS0  9533 SOUTHWESTERN BELL 552      
817-783 6 Alvarado TX ALVDTXTIRS0  9533 SOUTHWESTERN BELL 552      
817-783 7 Alvarado TX ALVDTXTIRS0  9533 SOUTHWESTERN BELL 552      
817-783 8 Alvarado TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-05-26   
817-783 9 Alvarado TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-05-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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