Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-238 A South San Francisco CA RDCYCAGDDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
650-238 0 South San Francisco CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
650-238 1 South San Francisco CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
650-238 2 South San Francisco CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
650-238 3 South San Francisco CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
650-238 4 South San Francisco CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-04-13   
650-238 5 South San Francisco CA   7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
650-238 6 South San Francisco CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-06-26   
650-238 7 South San Francisco CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-09-22   
650-238 8 South San Francisco CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-09-22   
650-238 9 South San Francisco CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-15   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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