Local Calling Guide

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

NXX: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-273 A South San Francisco CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-273 0 South San Francisco CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-12-31   
650-273 1 South San Francisco CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-273 2 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-11-24   
650-273 3 South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-11-24   
650-273 4 South San Francisco CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-08   
650-273 5 South San Francisco CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-08   
650-273 6 South San Francisco CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-26   
650-273 7 South San Francisco CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-07-18   
650-273 8 South San Francisco CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-273 9 South San Francisco CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-10-07   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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