Local Calling Guide

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NPA: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 569

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-569 A Diamond Bar CA ANHMCA01DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
909-569 0 Diamond Bar CA ANHMCA01DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
909-569 1 Diamond Bar CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2001-10-08   
909-569 2 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2003-06-07   
909-569 3 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2004-07-08   
909-569 4 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2004-09-25   
909-569 5 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2004-09-25   
909-569 6 Diamond Bar CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2004-12-09   
909-569 7 Diamond Bar CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-01-03   
909-569 8 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2005-01-18   
909-569 9 Diamond Bar CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2005-04-29   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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