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: BKFDCAKTXIX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-682 A Bakersfield: Main DA CA 700J WAVENATION, LLC 734   2025-09-25   
661-682 0 Bakersfield: Main DA CA 700J WAVENATION, LLC 734   2025-09-25   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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