Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 825

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-825 A Tehachapi CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-825 0 Tehachapi CA   649C ONVOY, LLC - CA 734      
661-825 1 Tehachapi CA   9262 UTILITY TELECOM GROUP, LLC - CA 734      
661-825 2 Tehachapi CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-825 3 Tehachapi CA   649C ONVOY, LLC - CA 734      
661-825 4 Tehachapi CA   649C ONVOY, LLC - CA 734   2019-02-22   
661-825 5 Tehachapi CA   516C AT&T CORP. 734   2011-06-08   
661-825 6 Tehachapi CA   6529 T-MOBILE USA, INC. 734   2015-03-06   
661-825 7 Tehachapi CA   6529 T-MOBILE USA, INC. 734   2015-03-06   
661-825 8 Tehachapi CA   6529 T-MOBILE USA, INC. 734   2020-08-05   
661-825 9 Tehachapi CA   6529 T-MOBILE USA, INC. 734   2018-10-13   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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