Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 669 [Rate centres in NPA 669] [Dial plan for NPA 669]

NXX: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
669-399 A San Martin CA SNJUCACL7MD  965H FRACTEL, LLC 722      
669-399 0 San Martin CA   073H TELNYX LLC 722   2021-02-26   
669-399 1 San Martin CA   649C ONVOY, LLC - CA 722   2021-03-04   
669-399 2 San Martin CA   649C ONVOY, LLC - CA 722   2021-03-04   
669-399 3 San Martin CA   649C ONVOY, LLC - CA 722   2021-03-04   
669-399 4 San Martin CA   649C ONVOY, LLC - CA 722   2021-08-09   
669-399 5 San Martin CA   553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
669-399 6 San Martin CA   624H ONVOY SPECTRUM, LLC 722   2021-07-23   
669-399 7 San Martin CA   515J IP HORIZON LLC 722   2021-04-29   
669-399 8 San Martin CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2021-02-07   
669-399 9 San Martin CA   965H FRACTEL, LLC 722   2021-02-05   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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