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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 669 [Rate centres in NPA 669] [Dial plan for NPA 669]

NXX: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
669-688 A Saratoga CA SNJUCACL7MD  965H FRACTEL, LLC 722      
669-688 0 Saratoga CA   649C ONVOY, LLC - CA 722   2021-06-13   
669-688 1 Saratoga CA   649C ONVOY, LLC - CA 722   2021-08-09   
669-688 2 Saratoga CA   649C ONVOY, LLC - CA 722   2021-08-09   
669-688 3 Saratoga CA   624H ONVOY SPECTRUM, LLC 722   2021-12-10   
669-688 4 Saratoga CA   624H ONVOY SPECTRUM, LLC 722   2021-12-10   
669-688 5 Saratoga CA   553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
669-688 6 Saratoga CA   624H ONVOY SPECTRUM, LLC 722   2021-07-23   
669-688 7 Saratoga CA   649C ONVOY, LLC - CA 722   2021-06-13   
669-688 8 Saratoga CA   965H FRACTEL, LLC 722   2021-06-12   
669-688 9 Saratoga CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2021-06-13   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.