Local Calling Guide

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NPA: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 557

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-557 A Dublin-San Ramon CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-557 0 Dublin-San Ramon CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-12-07   
925-557 1 Dublin-San Ramon CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-557 2 Dublin-San Ramon CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-557 3 Dublin-San Ramon CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-557 4 Dublin-San Ramon CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-557 5 Dublin-San Ramon CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-04-26   
925-557 6 Dublin-San Ramon CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-03-29   
925-557 7 Dublin-San Ramon CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-18   
925-557 8 Dublin-San Ramon CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-04-16   
925-557 9 Dublin-San Ramon CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-05-20   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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