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: WSCRCAHW3MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
279-202 A Fair Oaks (Sacramento) CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
279-205 A Sacramento: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
279-225 A Sacramento: North DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-429 A Downieville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-452 A North Tahoe: Tahoe City DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-455 A Live Oak CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-463 A Camptonville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-466 A Alleghany CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-554 A Davis CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-564 A Davis CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-652 A Grass Valley: South DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-658 A Esparto CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-763 A Marysville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-797 A Gridley CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
530-923 A Marysville CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-235 A Folsom CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-256 A Sacramento: North DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-297 A Roseville: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-367 A Roseville: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-378 A Meadowview CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-426 A Sacramento: North DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-458 A Folsom CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-459 A Fair Oaks (Sacramento) CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-468 A Rio Linda CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-472 A Roseville: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-490 A Sacramento: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-529 A Sacramento: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-582 A Elk Grove CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-596 A Sacramento: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-756 A Courtland CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-794 A Michigan Bar CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-912 A Sacramento: Main DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      
916-913 A Sacramento: North DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.