Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 562 [Rate centres in NPA 562] [Dial plan for NPA 562]

NXX: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-391 A Alamitos CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
562-391 0 Alamitos CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
562-391 1 Alamitos CA   6529 T-MOBILE USA, INC. 730   2024-12-05   
562-391 2 Alamitos CA   829J PAETEC ITEL, LLC 730   2007-04-02   
562-391 3 Alamitos CA   6529 T-MOBILE USA, INC. 730   2012-09-05   
562-391 4 Alamitos CA   6529 T-MOBILE USA, INC. 730   2024-12-05   
562-391 5 Alamitos CA   6529 T-MOBILE USA, INC. 730   2014-05-13   
562-391 6 Alamitos CA   6529 T-MOBILE USA, INC. 730   2008-12-06   
562-391 7 Alamitos CA   6529 T-MOBILE USA, INC. 730   2010-08-28   
562-391 8 Alamitos CA   6529 T-MOBILE USA, INC. 730   2010-08-28   
562-391 9 Alamitos CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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