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: SCRMCA0102Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
279-204 0 Sacramento: North DA CA 996H AIRESPRING, INC. 726   2020-05-30   
279-205 0 Sacramento: Main DA CA 996H AIRESPRING, INC. 726   2020-06-12   
530-490 A Woodland CA 996H AIRESPRING, INC. 726      
530-490 0 Woodland CA 996H AIRESPRING, INC. 726   2018-09-23   

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

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