Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: FTWOTXGLRP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-429 A Glendale EMS TX 9533 SOUTHWESTERN BELL 552      
817-446 A Glendale TX 9533 SOUTHWESTERN BELL 552      
817-451 A Glendale TX 9533 SOUTHWESTERN BELL 552      
817-457 A Glendale TX 9533 SOUTHWESTERN BELL 552      
817-492 A Glendale TX 9533 SOUTHWESTERN BELL 552      
817-492 0 Glendale TX 9533 SOUTHWESTERN BELL 552      
817-492 2 Glendale TX 9533 SOUTHWESTERN BELL 552      
817-492 3 Glendale TX 9533 SOUTHWESTERN BELL 552      
817-492 4 Glendale TX 9533 SOUTHWESTERN BELL 552      
817-492 7 Glendale TX 9533 SOUTHWESTERN BELL 552      
817-492 8 Glendale TX 9533 SOUTHWESTERN BELL 552      
817-492 9 Glendale TX 9533 SOUTHWESTERN BELL 552      
817-496 A Glendale TX 9533 SOUTHWESTERN BELL 552      
817-654 A Glendale EMS TX 9533 SOUTHWESTERN BELL 552      
817-930 A Glendale EMS TX 9533 SOUTHWESTERN BELL 552      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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