Local Calling Guide

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Oakland: Trinidad DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
510-636 1 OKLDCA12DS1  9740 PACIFIC BELL 722      
510-636 2 OKLDCA12DS1  9740 PACIFIC BELL 722      
510-636 3 OKLDCA12DS1  9740 PACIFIC BELL 722      
510-636 4 OKLDCA12DS1  9740 PACIFIC BELL 722      
510-636 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-01-02   
510-636 6 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2022-12-10   
510-636 7 OKLDCA12DS1  9740 PACIFIC BELL 722      
510-636 8 OKLDCA12DS1  9740 PACIFIC BELL 722      
510-636 9 OKLDCA12DS1  9740 PACIFIC BELL 722      
510-638 A OKLDCA12DS1  9740 PACIFIC BELL 722      
510-639 A OKLDCA12DS1  9740 PACIFIC BELL 722      
510-667 A SNLNCA11DS0  9740 PACIFIC BELL 722      
510-667 0 SNLNCA11DS0  9740 PACIFIC BELL 722      
510-667 1 SNLNCA11DS0  9740 PACIFIC BELL 722      
510-667 2 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-04-05   
510-667 3 SNLNCA11DS0  9740 PACIFIC BELL 722      
510-667 4 SNLNCA11DS0  9740 PACIFIC BELL 722      
510-667 5 SNLNCA11DS0  9740 PACIFIC BELL 722      
510-667 6 SNLNCA11DS0  9740 PACIFIC BELL 722      
510-667 7 SNLNCA11DS0  9740 PACIFIC BELL 722      
510-667 8 SNLNCA11DS0  9740 PACIFIC BELL 722      
510-667 9 SNLNCA11DS0  9740 PACIFIC BELL 722      
510-678 A SNLNCA11DS0  9740 PACIFIC BELL 722      
510-686 A SNFCCA01XGX  516C AT&T CORP. 722      
510-686 0 OKLECAZV1MD  5562 METROPCS, INC. 722   2012-03-18   
510-686 1 SNFCCA01XGX  516C AT&T CORP. 722      
510-686 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2001-09-03   
510-686 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
510-686 4   515J IP HORIZON LLC 722   2003-10-12   
510-686 5 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-04-05   
510-686 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-09-15   
510-686 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-09-15   
510-686 8 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-15   
510-686 9 SNLNCA11DS0  9740 PACIFIC BELL 722      
510-692 A OKLECAZV1MD  5562 METROPCS, INC. 722      
510-692 0 OKLECAZV1MD  5562 METROPCS, INC. 722   2011-11-18   
510-692 1 OKLECAZV1MD  5562 METROPCS, INC. 722   2005-03-26   
510-692 2 OKLECAZV1MD  5562 METROPCS, INC. 722   2005-03-26   
510-692 3 OKLECAZV1MD  5562 METROPCS, INC. 722   2007-11-11   
510-692 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2004-04-08   
510-692 5 OKLECAZV1MD  5562 METROPCS, INC. 722   2008-02-28   
510-692 6 OKLECAZV1MD  5562 METROPCS, INC. 722   2008-02-28   
510-692 7 OKLECAZV1MD  5562 METROPCS, INC. 722   2008-02-28   
510-692 8 OKLECAZV1MD  5562 METROPCS, INC. 722   2008-02-28   
510-692 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-30   
510-707 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-707 0 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-06-26   
510-707 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-06-26   
510-707 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-06-26   
510-707 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-06-26   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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