Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: ALVDTXTIRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-783 A Alvarado TX 9533 SOUTHWESTERN BELL 552      
817-783 1 Alvarado TX 9533 SOUTHWESTERN BELL 552      
817-783 2 Alvarado TX 9533 SOUTHWESTERN BELL 552      
817-783 3 Alvarado TX 9533 SOUTHWESTERN BELL 552      
817-783 5 Alvarado TX 9533 SOUTHWESTERN BELL 552      
817-783 6 Alvarado TX 9533 SOUTHWESTERN BELL 552      
817-783 7 Alvarado TX 9533 SOUTHWESTERN BELL 552      
817-790 A Alvarado EMS TX 9533 SOUTHWESTERN BELL 552      
817-790 0 Alvarado EMS TX 9533 SOUTHWESTERN BELL 552      
817-790 2 Alvarado EMS TX 9533 SOUTHWESTERN BELL 552      
817-790 3 Alvarado EMS TX 9533 SOUTHWESTERN BELL 552      
817-790 5 Alvarado EMS TX 9533 SOUTHWESTERN BELL 552      
817-790 6 Alvarado EMS TX 9533 SOUTHWESTERN BELL 552      
817-790 7 Alvarado EMS TX 9533 SOUTHWESTERN BELL 552      
817-790 8 Alvarado EMS TX 9533 SOUTHWESTERN BELL 552      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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