Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 394L COMCAST PHONE OF CALIFORNIA, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
209-710 4 Los Banos CA   738   2013-09-19   
209-710 8 Los Banos CA   738   2006-09-30   
209-717 1 Manteca CA   738   2021-08-14   
209-717 2 Manteca CA   738   2021-08-14   
209-727 7 Lockeford CA   738   2006-09-30   
209-749 1 Merced CA   738   2020-11-08   
209-749 2 Merced CA   738   2020-11-08   
209-751 3 Stockton CA   738      
209-762 3 Stockton CA   738   2017-05-09   
209-764 3 Oakdale CA   738   2015-04-09   
209-772 4 Valley Springs CA   738   2015-08-05   
209-792 A Stockton CA   738      
209-792 5 Stockton CA   738   2020-11-13   
209-792 6 Stockton CA   738   2020-11-13   
209-792 7 Stockton CA   738   2020-11-13   
209-792 8 Stockton CA   738   2020-11-13   
209-792 9 Stockton CA   738   2020-11-13   
209-808 5 Stockton CA   738   2011-10-07   
209-812 4 Atwater CA   738   2010-09-03   
209-815 9 Manteca CA   738   2008-04-21   
209-822 3 Angels Camp CA   738   2015-04-14   
209-831 9 Tracy CA   738   2011-10-01   
209-837 7 Crows Landing CA   738   2008-07-30   
209-843 5 Galt CA   738   2015-03-19   
209-846 A Modesto CA   738      
209-846 0 Modesto CA   738   2006-09-30   
209-846 9 Modesto CA   738   2007-06-07   
209-851 2 Stockton CA   738   2014-07-29   
209-851 3 Stockton CA   738   2014-07-29   
209-857 5 Modesto CA   738   2014-06-05   
209-859 A Modesto CA   738      
209-859 5 Modesto CA   738   2020-11-13   
209-859 6 Modesto CA   738   2020-11-13   
209-859 7 Modesto CA   738   2020-11-13   
209-859 8 Modesto CA   738   2020-11-13   
209-859 9 Modesto CA   738   2020-11-13   
209-870 3 Stockton CA   738      
209-870 7 Stockton CA   738      
209-879 A Tracy CA   738      
209-879 9 Tracy CA   738   2009-05-13   
209-887 4 Linden CA   738   2006-09-30   
209-888 4 Stockton CA   738   2007-08-17   
209-888 5 Stockton CA   738   2007-08-17   
209-890 3 Angels Camp CA   738   2011-09-30   
209-890 7 Angels Camp CA   738   2007-07-11   
209-894 2 Patterson CA   738   2011-09-08   
209-894 7 Patterson CA   738   2009-04-13   
209-894 8 Patterson CA   738   2013-08-15   
209-920 A Valley Springs CA   738      
209-920 3 Valley Springs CA   738   2007-07-11   
209-923 4 Manteca CA   738   2006-09-30   
209-932 9 Stockton CA   738   2009-08-12   
209-940 7 Stockton CA   738      
209-984 9 Jamestown CA   738   2011-07-29   
279-222 4 Sacramento: Main DA CA   726   2019-04-29   
279-333 7 Elk Grove CA   726   2018-06-04   
279-345 0 Sacramento: North DA CA   726   2020-10-10   
279-345 1 Sacramento: North DA CA   726   2020-10-10   
279-345 2 Sacramento: North DA CA   726   2020-10-10   
279-345 3 Sacramento: North DA CA   726   2020-10-10   
279-345 4 Sacramento: North DA CA   726   2020-10-10   
279-529 2 Roseville: Citrus Heights DA CA   726   2020-10-14   
279-529 4 Roseville: Citrus Heights DA CA   726   2020-10-14   
279-587 6 Pleasant Grove CA   726   2024-08-31   
279-777 5 Sacramento: North DA CA   726   2019-05-09   
279-900 8 Roseville: Main DA CA   726   2019-07-04   
279-966 5 Lincoln CA   726   2022-07-25   
310-750 6 Redondo CA   730   2006-03-03   
310-846 6 Inglewood CA   730   2011-04-22   
310-935 7 San Pedro CA   730   2011-08-26   
310-997 9 Lomita CA   730   2006-03-13   
341-201 7 Fremont-Newark: Oliver DA CA   722   2021-06-30   
341-218 A Oakland: Fruitvale DA CA   722      
341-218 6 Oakland: Fruitvale DA CA   722   2022-11-24   
341-218 7 Oakland: Fruitvale DA CA   722   2022-11-24   
341-218 8 Oakland: Fruitvale DA CA   722   2022-11-24   
341-218 9 Oakland: Fruitvale DA CA   722   2022-11-24   
341-420 2 Oakland: Fruitvale DA CA   722   2022-07-13   
341-420 3 Oakland: Fruitvale DA CA   722   2022-07-13   
341-420 6 Oakland: Fruitvale DA CA   722   2022-07-13   
341-777 2 Hayward CA   722   2019-10-14   
350-201 A Wallace CA   738      
350-201 1 Wallace CA   738   2022-12-01   
350-205 A Planada CA   738      
350-205 1 Planada CA   738   2023-03-11   
350-210 7 Tuolumne CA   738   2024-04-22   
350-333 2 Newman CA   738   2024-04-22   
350-999 7 Gustine CA   738   2022-12-05   
369-229 3 Dixon CA   726   2025-09-08   
408-212 4 Sunnyvale CA   722   2014-09-16   
408-216 0 San Jose: West DA CA   722   2007-06-22   
408-216 9 San Jose: West DA CA   722   2007-06-22   
408-217 8 San Jose: West DA CA   722   2008-06-10   
408-217 9 San Jose: West DA CA   722   2008-06-10   
408-300 A San Jose: South DA CA   722      
408-300 0 San Jose: South DA CA   722   2008-09-25   
408-300 1 San Jose: South DA CA   722   2008-09-25   
408-320 4 San Jose: West DA CA   722   2010-05-17   
408-326 2 San Jose: West DA CA   722   2011-10-21   
408-340 5 Campbell CA   722   2011-02-11   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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