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.

OCN: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
916-527 7 Walnut Grove CA SCRMCA0121Z  726   2010-12-13   
916-570 1 Sacramento: North DA CA SCRMCA0121Z  726   2005-04-25   
916-571 3 Sacramento: North DA CA SCRMCA0121Z  726   2013-12-29   
916-584 7 Sacramento: Main DA CA SCRMCA0121Z  726   2015-07-07   
916-609 A Sacramento: North DA CA SCRMCA0121Z  726      
916-609 0 Sacramento: North DA CA   726      
916-609 1 Sacramento: North DA CA   726      
916-609 2 Sacramento: North DA CA   726      
916-609 3 Sacramento: North DA CA   726      
916-609 4 Sacramento: North DA CA   726      
916-609 5 Sacramento: North DA CA   726      
916-609 6 Sacramento: North DA CA   726      
916-609 7 Sacramento: North DA CA   726      
916-609 8 Sacramento: North DA CA   726      
916-626 8 South Placer CA SCRMCA0121Z  726   2012-01-09   
916-634 7 Sacramento: North DA CA SCRMCA0121Z  726   2014-10-07   
916-642 A Sacramento: Main DA CA SCRMCA0121Z  726      
916-642 1 Sacramento: Main DA CA SCRMCA0121Z  726      
916-662 8 Sacramento: Main DA CA SCRMCA0121Z  726   2013-12-27   
916-666 4 Roseville: Main DA CA SCRMCA0121Z  726   2012-04-03   
916-678 5 Sacramento: North DA CA SCRMCA0121Z  726   2009-09-11   
916-678 7 Sacramento: North DA CA SCRMCA0121Z  726   2009-11-23   
916-724 5 Roseville: Main DA CA SCRMCA0121Z  726   2005-10-07   
916-737 2 Sacramento: Main DA CA SCRMCA0121Z  726   2019-04-14   
916-751 2 Roseville: Main DA CA SCRMCA0121Z  726   2007-03-15   
916-751 3 Roseville: Main DA CA SCRMCA0121Z  726   2007-03-15   
916-751 4 Roseville: Main DA CA SCRMCA0121Z  726   2007-03-15   
916-753 A Elk Grove CA SCRMCA0121Z  726      
916-753 1 Elk Grove CA SCRMCA0121Z  726   2005-11-17   
916-779 6 Sacramento: North DA CA SCRMCA0121Z  726   2007-09-10   
916-779 7 Sacramento: North DA CA SCRMCA0121Z  726   2007-09-10   
916-793 2 Elk Grove CA SCRMCA0121Z  726   2015-07-09   
916-793 3 Elk Grove CA SCRMCA0121Z  726   2015-07-09   
916-805 2 Folsom CA SCRMCA0121Z  726   2014-09-20   
916-831 A Elk Grove CA SCRMCA0121Z  726      
916-831 2 Elk Grove CA SCRMCA0121Z  726   2017-05-28   
916-831 3 Elk Grove CA SCRMCA0121Z  726   2017-05-28   
916-831 4 Elk Grove CA SCRMCA0121Z  726   2017-05-28   
916-831 5 Elk Grove CA SCRMCA0121Z  726   2017-05-28   
916-831 6 Elk Grove CA SCRMCA0121Z  726   2017-05-28   
916-839 1 Roseville: Main DA CA SCRMCA0121Z  726   2021-03-25   
916-839 2 Roseville: Main DA CA SCRMCA0121Z  726   2021-03-25   
916-840 1 Sacramento: Main DA CA SCRMCA0121Z  726   2017-04-18   
916-841 0 Sacramento: Main DA CA SCRMCA0121Z  726   2015-07-05   
916-841 1 Sacramento: Main DA CA SCRMCA0121Z  726   2015-07-05   
916-842 A Sacramento: Main DA CA SCRMCA0121Z  726      
916-842 2 Sacramento: Main DA CA SCRMCA0121Z  726   2006-04-17   
916-844 3 Fair Oaks (Sacramento) CA SCRMCA0121Z  726   2005-04-29   
916-883 7 Sacramento: North DA CA SCRMCA0121Z  726   2016-09-02   
916-889 8 Sacramento: Main DA CA SCRMCA0121Z  726   2007-09-10   
916-890 3 Sacramento: North DA CA SCRMCA0121Z  726   2015-06-17   
916-892 2 Elk Grove CA SCRMCA0121Z  726   2016-12-22   
916-892 3 Elk Grove CA SCRMCA0121Z  726   2016-12-22   
916-900 7 Sacramento: North DA CA SCRMCA0121Z  726   2013-03-18   
916-903 A Fair Oaks (Sacramento) CA SCRMCA0121Z  726      
916-915 6 Rio Linda CA SCRMCA0121Z  726   2003-09-29   
916-970 2 Sacramento: Main DA CA SCRMCA0121Z  726   2015-04-12   
916-974 4 Sacramento: North DA CA SCRMCA0121Z  726   2012-01-13   
916-999 8 Sacramento: North DA CA SCRMCA0121Z  726   2011-03-13   
925-201 A Pleasanton CA SNJSCAYB0MD  722      
925-201 0 Pleasanton CA SNJSCAYB0MD  722      
925-201 2 Pleasanton CA SNJSCAYB0MD  722      
925-201 4 Pleasanton CA SNJSCAYB0MD  722      
925-201 7 Pleasanton CA SNJSCAYB0MD  722      
925-201 8 Pleasanton CA SNJSCAYB0MD  722   2007-12-28   
925-282 2 Lafayette CA SNJSCAYB0MD  722   2003-09-30   
925-302 7 Bishop Ranch CA SNJSCAYB0MD  722   2007-03-26   
925-320 A Moraga CA SNJSCAYB0MD  722      
925-320 9 Moraga CA SNJSCAYB0MD  722      
925-331 A Antioch CA SNJSCAYB0MD  722      
925-331 1 Antioch CA SNJSCAYB0MD  722      
925-331 2 Antioch CA SNJSCAYB0MD  722      
925-331 3 Antioch CA SNJSCAYB0MD  722      
925-331 9 Antioch CA SNJSCAYB0MD  722      
925-344 A Livermore CA SNJSCAYB0MD  722      
925-344 0 Livermore CA SNJSCAYB0MD  722      
925-410 A Pleasanton CA SNJSCAYB0MD  722      
925-410 0 Pleasanton CA SNJSCAYB0MD  722   2020-09-04   
925-410 1 Pleasanton CA SNJSCAYB0MD  722   2020-09-04   
925-410 2 Pleasanton CA SNJSCAYB0MD  722   2020-09-04   
925-410 3 Pleasanton CA SNJSCAYB0MD  722   2020-09-04   
925-410 4 Pleasanton CA SNJSCAYB0MD  722   2020-09-04   
925-410 5 Pleasanton CA SNJSCAYB0MD  722   2020-09-04   
925-410 6 Pleasanton CA SNJSCAYB0MD  722   2020-09-04   
925-410 7 Pleasanton CA SNJSCAYB0MD  722   2020-09-04   
925-410 8 Pleasanton CA SNJSCAYB0MD  722   2020-09-04   
925-410 9 Pleasanton CA SNJSCAYB0MD  722   2020-09-04   
925-438 A Orinda CA SNJSCAYB0MD  722      
925-438 1 Orinda CA SNJSCAYB0MD  722      
925-438 2 Orinda CA SNJSCAYB0MD  722      
925-438 9 Orinda CA SNJSCAYB0MD  722      
925-441 A Antioch CA SNJSCAYB0MD  722      
925-441 5 Antioch CA SNJSCAYB0MD  722   2022-08-15   
925-441 8 Antioch CA SNJSCAYB0MD  722   2022-08-15   
925-444 A Lafayette CA SNJSCAYB0MD  722      
925-444 1 Lafayette CA SNJSCAYB0MD  722      
925-444 2 Lafayette CA SNJSCAYB0MD  722      
925-444 4 Lafayette CA SNJSCAYB0MD  722      
925-444 9 Lafayette CA SNJSCAYB0MD  722      
925-452 A Dublin-San Ramon CA SNJSCAYB0MD  722      

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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