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: SCRMCA0119Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
279-221 9 Sacramento: Main DA CA 490J DISH WIRELESS, LLC 726   2023-07-02   
279-226 0 Roseville: Main DA CA 490J DISH WIRELESS, LLC 726   2023-07-05   
279-226 1 Roseville: Main DA CA 490J DISH WIRELESS, LLC 726   2023-10-29   
279-232 9 Michigan Bar CA 490J DISH WIRELESS, LLC 726   2023-10-29   
279-322 1 Walnut Grove CA 490J DISH WIRELESS, LLC 726   2023-10-29   
369-200 A Dixon CA 490J DISH WIRELESS, LLC 726      
369-200 0 Dixon CA 490J DISH WIRELESS, LLC 726   2023-07-07   
530-405 5 Woodland CA 490J DISH WIRELESS, LLC 726   2023-10-29   
530-439 9 Princeton CA 490J DISH WIRELESS, LLC 726   2023-11-04   
530-656 9 Nicolaus CA 490J DISH WIRELESS, LLC 726   2023-10-29   
530-658 7 Esparto CA 490J DISH WIRELESS, LLC 726   2023-12-10   
530-704 1 Woodland CA 490J DISH WIRELESS, LLC 726   2023-07-02   
530-789 8 Marysville CA 490J DISH WIRELESS, LLC 726   2023-10-29   
530-930 0 Marysville CA 490J DISH WIRELESS, LLC 726   2023-07-02   
530-940 1 Auburn: Main DA CA 490J DISH WIRELESS, LLC 726   2023-11-01   
530-947 A Colusa CA 490J DISH WIRELESS, LLC 726      
530-947 9 Colusa CA 490J DISH WIRELESS, LLC 726   2023-07-02   
530-952 A Placerville: West DA CA 490J DISH WIRELESS, LLC 726      
530-952 0 Placerville: West DA CA 490J DISH WIRELESS, LLC 726   2023-07-07   
530-975 1 Gridley CA 490J DISH WIRELESS, LLC 726   2023-12-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.