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.
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NPA: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

NXX: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-877 A Los Angeles: DA 14 CA NHWDCA02DS1  9740 PACIFIC BELL 730      
323-877 0 Los Angeles: DA 14 CA   9740 PACIFIC BELL 730      
323-877 1 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-05-05   
323-877 2 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-05-13   
323-877 3 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-05-23   
323-877 4 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2006-07-11   
323-877 5 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2005-12-19   
323-877 6 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2005-12-19   
323-877 7 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2005-11-26   
323-877 8 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2005-11-26   
323-877 9 Los Angeles: DA 14 CA   6664 SPRINT SPECTRUM L.P. 730   2005-05-20   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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