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
661-621 A Santa Clarita: Saugus Canyon Country DA CA IRVNCASM1MD  730      
661-621 9 Santa Clarita: Saugus Canyon Country DA CA IRVNCASM1MD  730   2003-03-22   
661-630 7 Shafter CA BKFDCA12XRX  734   2007-09-03   
661-649 A Arvin CA BKFDCA12XRX  734      
661-649 5 Arvin CA BKFDCA12XRX  734   2022-08-24   
661-673 8 Santa Clarita: Saugus Canyon Country DA CA IRVNCASM1MD  730   2009-06-11   
661-679 1 Bakersfield: North DA CA BKFDCA12XRX  734   2005-06-18   
661-687 A Bakersfield: South DA CA BKFDCA12XRX  734      
661-687 3 Bakersfield: South DA CA BKFDCA12XRX  734   2022-07-25   
661-687 6 Bakersfield: South DA CA BKFDCA12XRX  734   2022-07-25   
661-705 A Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-705 0 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-705 1 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-705 2 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-705 3 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-705 4 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-705 5 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-705 7 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-705 8 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-705 9 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-716 A Bakersfield: Main DA CA BKFDCA12XRX  734      
661-750 5 Tehachapi CA BKFDCA12XRX  734   2007-10-28   
661-764 2 Buttonwillow CA BKFDCA12XRX  734   2013-09-16   
661-768 7 Taft CA BKFDCA12XRX  734   2014-07-24   
661-772 2 Wasco CA BKFDCA12XRX  734   2014-11-28   
661-772 5 Wasco CA BKFDCA12XRX  734   2005-12-05   
661-777 3 Lebec CA BKFDCA12XRX  734   2010-11-28   
661-829 8 Bakersfield: North DA CA BKFDCA12XRX  734   2009-04-23   
661-847 A Bakersfield: South DA CA BKFDCA12XRX  734      
661-847 1 Bakersfield: South DA CA BKFDCA12XRX  734      
661-847 2 Bakersfield: South DA CA BKFDCA12XRX  734      
661-847 4 Bakersfield: South DA CA BKFDCA12XRX  734      
661-847 5 Bakersfield: South DA CA BKFDCA12XRX  734      
661-847 6 Bakersfield: South DA CA BKFDCA12XRX  734      
661-847 7 Bakersfield: South DA CA BKFDCA12XRX  734      
661-855 8 Arvin CA BKFDCA12XRX  734   2007-09-03   
661-964 A Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-964 0 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-964 1 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
661-964 2 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730   2012-03-10   
661-964 3 Santa Clarita: Newhall-Castaic DA CA IRVNCASM1MD  730      
669-230 7 San Jose: West DA CA SNJSCAYB0MD  722   2016-01-28   
669-231 8 San Jose: West DA CA SNJSCAYB0MD  722   2014-03-20   
669-236 8 San Jose: West DA CA SNJSCAYB0MD  722   2014-07-26   
669-243 2 San Jose: West DA CA SNJSCAYB0MD  722   2014-10-23   
669-243 3 San Jose: West DA CA SNJSCAYB0MD  722   2015-07-24   
669-252 A San Jose: North DA CA SNJSCAYB0MD  722      
669-252 7 San Jose: North DA CA SNJSCAYB0MD  722   2014-12-12   
669-252 8 San Jose: North DA CA SNJSCAYB0MD  722   2014-12-12   
669-265 3 San Jose: North DA CA SNJSCAYB0MD  722   2015-10-31   
669-275 7 San Jose: South DA CA SNJSCAYB0MD  722   2016-05-19   
669-314 A Sunnyvale CA SNJSCAYB0MD  722      
669-314 5 Sunnyvale CA SNJSCAYB0MD  722   2022-08-15   
669-314 7 Sunnyvale CA SNJSCAYB0MD  722   2022-08-15   
669-315 A San Jose: North DA CA SNJSCAYB0MD  722      
669-315 7 San Jose: North DA CA SNJSCAYB0MD  722   2022-07-25   
669-315 8 San Jose: North DA CA SNJSCAYB0MD  722   2022-07-25   
669-316 A Campbell CA SNJSCAYB0MD  722      
669-316 5 Campbell CA SNJSCAYB0MD  722   2022-08-15   
669-316 6 Campbell CA SNJSCAYB0MD  722   2022-08-15   
669-600 8 Sunnyvale CA SNJSCAYB0MD  722   2013-03-16   
682-228 4 Cleburne TX DLLSTXHW6MD  552   2014-03-31   
682-253 A Atlas TX DLLSTXHW6MD  552      
682-253 0 Atlas TX DLLSTXHW6MD  552      
682-253 9 Atlas TX DLLSTXHW6MD  552      
682-459 A Cleburne TX DLLSTXHW6MD  552      
682-459 0 Cleburne TX DLLSTXHW6MD  552      
682-503 8 Euless TX DLLSTXHW6MD  552   2007-07-13   
682-936 8 Granbury TX DLLSTXHW6MD  552   2010-12-23   
702-212 A Las Vegas NV PRDSNV693MD  721      
702-214 A Las Vegas NV PRDSNV69DS2  721      
702-215 A Las Vegas NV PRDSNV693MD  721      
702-215 0 Las Vegas NV PRDSNV693MD  721      
702-215 2 Las Vegas NV PRDSNV693MD  721      
702-215 3 Las Vegas NV PRDSNV693MD  721      
702-215 4 Las Vegas NV PRDSNV693MD  721      
702-215 5 Las Vegas NV PRDSNV693MD  721      
702-215 6 Las Vegas NV PRDSNV693MD  721      
702-215 7 Las Vegas NV PRDSNV693MD  721      
702-215 8 Las Vegas NV PRDSNV693MD  721      
702-307 A Las Vegas NV PRDSNV693MD  721      
702-307 0 Las Vegas NV   721      
702-307 1 Las Vegas NV   721      
702-307 4 Las Vegas NV   721      
702-307 5 Las Vegas NV   721      
702-307 7 Las Vegas NV   721      
702-309 A Las Vegas NV PRDSNV693MD  721      
702-309 0 Las Vegas NV   721      
702-309 2 Las Vegas NV   721      
702-309 5 Las Vegas NV   721      
702-309 6 Las Vegas NV   721      
702-310 A Las Vegas NV PRDSNV693MD  721      
702-312 A Las Vegas NV PRDSNV693MD  721      
702-313 A Las Vegas NV PRDSNV693MD  721      
702-314 A Las Vegas NV PRDSNV693MD  721      
702-315 A Las Vegas NV PRDSNV693MD  721      
702-316 A Las Vegas NV PRDSNV693MD  721      
702-317 A Las Vegas NV PRDSNV693MD  721      
702-318 A Las Vegas NV PRDSNV693MD  721      
702-318 0 Las Vegas NV PRDSNV693MD  721      

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

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