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: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-837 A South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 0 South San Francisco CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-07-14   
650-837 1 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-10-09   
650-837 2 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 3 South San Francisco CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2010-11-04   
650-837 4 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 5 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 6 South San Francisco CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2010-11-04   
650-837 7 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 8 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-837 9 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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