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: FRSMCA151MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-609 A Stratford CA 073H TELNYX LLC 728      
559-609 0 Stratford CA 073H TELNYX LLC 728   2021-08-14   
559-844 1 Miramonte-Pinehurst CA 073H TELNYX LLC 728   2022-06-05   
559-910 9 Grant Grove CA 073H TELNYX LLC 728   2022-04-21   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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