Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-866 A Colfax: Colfax DA CA SCRMCA0104Z  965H FRACTEL, LLC 726      
530-866 0 Colfax: Colfax DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2020-09-26   
530-866 1 Colfax: Colfax DA CA   073H TELNYX LLC 726   2020-10-17   
530-866 2 Colfax: Colfax DA CA   516J TON80 COMMUNICATIONS, LLC 726   2021-05-11   
530-866 3 Colfax: Colfax DA CA   649C ONVOY, LLC - CA 726   2021-07-18   
530-866 4 Colfax: Colfax DA CA   649C ONVOY, LLC - CA 726   2021-08-09   
530-866 6 Colfax: Colfax DA CA   965H FRACTEL, LLC 726   2020-07-27   
530-866 7 Colfax: Colfax DA CA   624H ONVOY SPECTRUM, LLC 726   2021-07-23   
530-866 9 Colfax: Colfax DA CA   624H ONVOY SPECTRUM, LLC 726   2021-11-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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