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: ATLNGABU11Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
404-823 9 Atlanta GA 506J TWILIO INTERNATIONAL, INC. 438   2010-12-05   
470-895 A Atlanta GA 506J TWILIO INTERNATIONAL, INC. 438      
470-895 8 Atlanta GA 506J TWILIO INTERNATIONAL, INC. 438   2020-11-14   
706-973 5 Dahlonega GA 506J TWILIO INTERNATIONAL, INC. 438   2021-05-06   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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