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: SCRMCA0112Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
279-895 A Sacramento: Main DA CA 506J TWILIO INTERNATIONAL, INC. 726      
279-895 8 Sacramento: Main DA CA 506J TWILIO INTERNATIONAL, INC. 726   2020-11-30   
530-420 4 Robbins CA 506J TWILIO INTERNATIONAL, INC. 726   2021-04-12   
530-451 8 Smartsville CA 506J TWILIO INTERNATIONAL, INC. 726   2021-04-12   
916-623 3 Isleton CA 506J TWILIO INTERNATIONAL, INC. 726   2021-05-13   

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

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