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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: LNBHCAXPX9Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
562-560 A Long Beach CA 506J TWILIO INTERNATIONAL, INC. 730      
562-560 5 Long Beach CA 506J TWILIO INTERNATIONAL, INC. 730   2020-11-23   
714-500 7 Huntington Beach CA 506J TWILIO INTERNATIONAL, INC. 730   2005-02-05   
714-677 8 Westminster CA 506J TWILIO INTERNATIONAL, INC. 730   2005-02-05   

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

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