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: SCRMCACN8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
279-218 3 Sacramento: North DA CA 732J NUSO, LLC 726   2023-12-24   
279-218 4 Sacramento: North DA CA 732J NUSO, LLC 726   2023-12-24   
279-233 A Sacramento: North DA CA 732J NUSO, LLC 726      
279-233 1 Sacramento: North DA CA 732J NUSO, LLC 726   2023-05-26   
279-261 0 Sacramento: North DA CA 732J NUSO, LLC 726   2024-07-14   
279-261 8 Sacramento: North DA CA 732J NUSO, LLC 726   2024-07-14   
279-261 9 Sacramento: North DA CA 732J NUSO, LLC 726   2024-07-14   
279-269 1 Sacramento: North DA CA 732J NUSO, LLC 726   2024-12-12   
279-269 8 Sacramento: North DA CA 732J NUSO, LLC 726   2024-12-12   
916-469 7 Sacramento: Main DA CA 732J NUSO, LLC 726   2025-01-08   
916-491 9 Sacramento: Main DA CA 732J NUSO, LLC 726   2025-01-08   
916-554 8 Sacramento: Main DA CA 732J NUSO, LLC 726   2025-01-08   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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