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.

Switch: SNDGCA0200Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
442-358 1 Ramona CA 490J DISH WIRELESS, LLC 732   2023-11-27   
442-367 1 Calexico CA 490J DISH WIRELESS, LLC 732   2023-07-01   
442-404 A Vista CA 490J DISH WIRELESS, LLC 732      
442-404 9 Vista CA 490J DISH WIRELESS, LLC 732   2023-08-04   
442-646 2 Brawley CA 490J DISH WIRELESS, LLC 732   2023-11-27   
619-912 2 El Cajon CA 490J DISH WIRELESS, LLC 732   2024-09-07   
619-912 3 El Cajon CA 490J DISH WIRELESS, LLC 732   2024-12-05   
858-341 6 Chula Vista CA 490J DISH WIRELESS, LLC 732   2023-11-27   
858-398 1 San Diego: Mira Mesa DA CA 490J DISH WIRELESS, LLC 732   2023-07-01   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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