Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 897

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-897 A San Antonio CA SNATCAXFDS0  2315 GLOBAL VALLEY NETWORKS 722      
408-897 0 San Antonio CA   2315 GLOBAL VALLEY NETWORKS 722      
408-897 1 San Antonio CA   321J HD CARRIER LLC 722   2016-06-09   
408-897 2 San Antonio CA   321J HD CARRIER LLC 722   2016-06-09   
408-897 3 San Antonio CA   2315 GLOBAL VALLEY NETWORKS 722      
408-897 4 San Antonio CA   321J HD CARRIER LLC 722   2016-06-09   
408-897 5 San Antonio CA   9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-16   
408-897 6 San Antonio CA   321J HD CARRIER LLC 722   2016-06-09   
408-897 7 San Antonio CA   508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-03-19   
408-897 8 San Antonio CA   515J IP HORIZON LLC 722   2016-09-11   
408-897 9 San Antonio CA   2315 GLOBAL VALLEY NETWORKS 722      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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