Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
442-336 9 Victorville: Apple Valley DA CA   730   2020-01-18   
442-342 9 Palm Springs CA   973   2021-05-30   
442-350 0 Escondido CA   732   2020-04-20   
442-363 9 Victorville: Adelanto DA CA   730   2019-06-03   
442-382 1 Victorville: Hesperia DA CA   730   2018-12-12   
442-388 0 Desert Center CA   973   2020-11-16   
442-388 9 Desert Center CA   973   2021-05-29   
442-423 0 Lake Isabella CA   730   2020-12-12   
442-426 9 Wrightwood: Wrightwood DA CA   730   2023-08-10   
442-432 9 Calexico CA   732   2020-12-10   
442-440 1 Lenwood CA   730   2020-12-07   
442-443 0 Morongo Valley CA   973   2020-10-25   
442-443 9 Morongo Valley CA   973   2021-05-30   
442-451 7 Yucca Valley CA   973   2022-12-10   
442-452 3 Valley Center CA   732   2025-06-09   
442-465 9 Ocotillo CA   732   2018-12-21   
442-479 2 El Centro CA   732   2025-06-09   
442-484 3 Indio CA   973   2018-10-21   
442-486 9 Victorville: Apple Valley DA CA   730   2025-05-05   
442-499 8 Fort Irwin CA   730   2021-02-15   
442-500 3 Oceanside: Oceanside DA CA   732   2013-10-28   
442-515 6 San Marcos CA   732   2020-06-18   
442-577 9 Pauma Valley CA   732   2021-01-03   
442-588 9 Homestead Valley CA   973   2021-05-29   
442-600 3 Victorville: Hesperia DA CA   730   2013-03-28   
442-742 9 Summit Valley CA   730   2021-05-30   
442-789 7 Weldon CA   730   2024-10-31   
442-789 8 Weldon CA   730   2024-02-20   
442-888 5 Oceanside: Oceanside DA CA   732   2012-04-13   
442-900 3 Ocotillo CA   732   2013-03-28   
442-936 6 Wrightwood: Phelan DA CA   730   2025-06-09   
442-955 2 Victorville: Victorville DA CA   730   2021-01-09   
442-966 7 Ridgecrest CA   730   2021-05-30   
510-201 A Oakland: Main-Piedmont DA CA SNJUCACLDS1  722      
510-201 0 Oakland: Main-Piedmont DA CA   722   2009-04-13   
510-201 5 Oakland: Main-Piedmont DA CA   722   2009-04-13   
510-201 9 Oakland: Main-Piedmont DA CA   722   2009-04-13   
510-210 8 Richmond CA   722   2013-04-12   
510-210 9 Richmond CA   722   2013-04-12   
510-216 1 Oakland: Fruitvale DA CA   722   2019-12-27   
510-240 8 Fremont-Newark: Greenleaf DA CA   722   2016-10-14   
510-254 4 Oakland: Alameda DA CA   722   2013-04-23   
510-256 7 Crockett CA   722   2013-03-25   
510-256 8 Crockett CA   722   2013-03-25   
510-272 7 Oakland: Main-Piedmont DA CA   722   2019-12-27   
510-272 8 Oakland: Main-Piedmont DA CA   722   2020-04-02   
510-298 5 Fremont-Newark: Main DA CA   722   2013-03-25   
510-298 6 Fremont-Newark: Main DA CA   722   2013-03-25   
510-318 9 Oakland: Main-Piedmont DA CA   722   2013-04-11   
510-338 9 Oakland: Main-Piedmont DA CA   722   2013-04-11   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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