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: 292

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-292 A Shafter CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-292 0 Shafter CA   6529 T-MOBILE USA, INC. 734      
661-292 1 Shafter CA   6529 T-MOBILE USA, INC. 734   2022-01-19   
661-292 2 Shafter CA   9262 UTILITY TELECOM GROUP, LLC - CA 734   2016-11-06   
661-292 3 Shafter CA   6529 T-MOBILE USA, INC. 734   2021-03-08   
661-292 4 Shafter CA   6529 T-MOBILE USA, INC. 734   2021-03-08   
661-292 5 Shafter CA   516C AT&T CORP. 734   2011-06-08   
661-292 6 Shafter CA   6529 T-MOBILE USA, INC. 734   2020-08-02   
661-292 7 Shafter CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2010-12-01   
661-292 8 Shafter CA   6529 T-MOBILE USA, INC. 734   2020-10-24   
661-292 9 Shafter CA   6529 T-MOBILE USA, INC. 734      

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

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