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
510-767 0 Fremont-Newark: Main DA CA   722   2020-01-16   
510-775 9 Oakland: Alameda DA CA   722   2013-04-12   
510-803 6 Hercules-Rodeo CA   722   2013-04-07   
510-803 7 Hercules-Rodeo CA   722   2013-04-07   
510-804 8 El Sobrante-Pinole CA   722   2018-11-27   
510-806 1 Richmond CA   722   2016-09-30   
510-806 6 Richmond CA   722   2016-09-01   
510-842 4 Oakland: Fruitvale DA CA   722   2013-03-25   
510-890 0 Richmond CA   722   2016-10-01   
510-901 2 Hayward CA   722   2016-09-27   
510-902 4 Fremont-Newark: Main DA CA   722   2019-05-26   
510-906 2 Oakland: Alameda DA CA   722   2016-09-22   
510-906 8 Oakland: Alameda DA CA   722   2016-10-08   
510-908 6 Oakland: Main-Piedmont DA CA   722   2013-03-25   
510-908 7 Oakland: Main-Piedmont DA CA   722   2013-03-25   
510-913 9 Oakland: Main-Piedmont DA CA   722   2016-12-08   
510-930 A Oakland: Fruitvale DA CA SNJUCACLDS1  722      
510-930 3 Oakland: Fruitvale DA CA   722   2018-11-11   
510-939 6 Hercules-Rodeo CA   722   2016-09-17   
510-949 0 Hercules-Rodeo CA   722   2016-10-07   
510-951 8 Hayward CA   722   2021-09-24   
510-952 1 Fremont-Newark: Greenleaf DA CA   722   2016-09-15   
510-955 8 Oakland: Trinidad DA CA   722   2020-04-02   
510-955 9 Oakland: Trinidad DA CA   722   2018-10-20   
510-964 2 El Sobrante-Pinole CA   722   2013-03-25   
510-964 6 El Sobrante-Pinole CA   722   2013-03-25   
510-975 1 Oakland: Alameda DA CA   722   2019-12-27   
510-983 1 Fremont-Newark: Oliver DA CA   722   2019-05-26   
530-212 4 Winters CA   726   2013-03-28   
530-212 8 Winters CA   726   2013-11-10   
530-212 9 Winters CA   726   2016-10-10   
530-213 5 North Tahoe: Brockway DA CA   726   2013-03-28   
530-214 7 Truckee CA   726   2013-03-28   
530-220 1 Davis CA   726   2016-09-15   
530-264 3 Nevada City CA   726   2013-03-28   
530-278 0 Grass Valley: South DA CA   726   2013-04-27   
530-291 7 Placerville: Kyburz DA CA   726   2022-06-19   
530-291 8 Placerville: Kyburz DA CA   726   2022-02-24   
530-291 9 Placerville: Kyburz DA CA   726   2020-12-10   
530-293 9 Placerville: Kyburz DA CA   726   2016-09-22   
530-296 5 Placerville: Kyburz DA CA   726   2013-03-28   
530-358 A North San Juan CA SCRMCA01X7Z  726      
530-358 3 North San Juan CA   726   2018-12-20   
530-358 4 North San Juan CA   726   2013-04-29   
530-379 0 Woodland CA   726   2013-04-15   
530-379 1 Woodland CA   726   2013-04-15   
530-388 7 Alta CA   726   2021-09-24   
530-389 9 Alta CA   726   2022-02-20   
530-393 0 Williams CA   726      
530-393 1 Williams CA   726      

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

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