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
341-333 7 Oakland: Berkeley DA CA   722   2020-04-02   
341-441 8 Oakland: Main-Piedmont DA CA   722   2022-07-22   
341-441 9 Oakland: Main-Piedmont DA CA   722   2022-03-08   
341-587 9 Fremont-Newark: Greenleaf DA CA   722   2021-10-24   
341-666 0 Oakland: Trinidad DA CA   722   2020-09-09   
341-766 0 Oakland: Berkeley DA CA   722   2020-09-09   
341-786 9 Fremont-Newark: Main DA CA   722   2022-06-10   
341-837 9 El Sobrante-Pinole CA   722   2022-03-13   
341-895 4 Oakland: Alameda DA CA   722   2020-11-07   
341-900 7 Crockett CA   722   2021-12-19   
350-200 9 Lodi CA   738   2023-03-19   
350-201 9 Wallace CA   738   2022-12-02   
350-202 9 Thornton CA   738   2023-01-01   
350-204 6 Atwater CA   738   2023-03-20   
350-205 9 Planada CA   738   2023-04-15   
350-208 7 Knights Ferry CA   738   2025-04-17   
350-209 A Valley Springs CA SKTNCACZDS2  738      
350-209 9 Valley Springs CA   738   2023-06-22   
350-212 2 Sutter Creek CA   738   2024-02-24   
350-213 9 Linden CA   738   2024-02-24   
350-222 6 Hughson CA   738   2024-12-13   
350-222 9 Hughson CA   738   2022-12-05   
350-234 0 Jackson CA   738   2025-02-23   
350-305 9 Yosemite CA   738   2022-12-04   
350-333 5 Newman CA   738   2025-06-27   
350-333 9 Newman CA   738   2022-12-05   
350-444 9 Snelling CA   738   2023-02-06   
350-630 3 Riverbank CA   738   2025-02-24   
350-666 2 San Andreas CA   738   2025-10-04   
350-666 9 San Andreas CA   738   2022-12-05   
350-777 9 Galt CA   738   2023-03-19   
350-888 9 Groveland CA   738   2022-12-05   
350-900 7 Tracy CA   738   2024-02-20   
350-930 9 Turlock CA   738   2024-02-20   
350-960 9 Waterford: Main DA CA   738   2024-02-20   
350-999 8 Gustine CA   738   2022-12-05   
369-200 6 Dixon CA   726   2024-03-18   
369-203 9 Bridgeville CA   722   2024-05-10   
369-206 6 Miranda CA   722   2025-02-23   
369-206 8 Miranda CA   722   2024-06-20   
369-206 9 Miranda CA   722   2024-02-17   
369-213 4 Healdsburg CA   722   2024-11-02   
369-213 7 Healdsburg CA   722   2024-06-14   
369-216 6 Ukiah CA   722   2024-11-19   
369-777 9 Sonoma CA   722   2023-12-15   
408-342 1 San Jose: West DA CA   722   2015-10-18   
408-418 A San Jose: West DA CA SNJUCACLDS1  722      
408-418 0 San Jose: West DA CA   722   2009-02-16   
408-418 5 San Jose: West DA CA   722   2009-02-16   
408-418 9 San Jose: West DA CA   722   2009-02-16   

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

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