Local Calling Guide

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San Mateo, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
650-931 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-07-03   
650-931 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2007-05-12   
650-931 8 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 9 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-954 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-954 0 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-08-30   
650-954 1 OKLECAZV1MD  5562 METROPCS, INC. 722      
650-954 2 OKLDCAMP2MD  829J PAETEC ITEL, LLC 722   2009-05-13   
650-954 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-954 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-954 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-954 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-954 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-954 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-954 9 OKLECAZV1MD  5562 METROPCS, INC. 722      

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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