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: 518

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-518 A Tehachapi CA BKFDCA11X6X  073H TELNYX LLC 734      
661-518 0 Tehachapi CA   073H TELNYX LLC 734   2021-03-26   
661-518 1 Tehachapi CA   649C ONVOY, LLC - CA 734   2021-07-22   
661-518 2 Tehachapi CA   649C ONVOY, LLC - CA 734   2021-07-22   
661-518 3 Tehachapi CA   649C ONVOY, LLC - CA 734   2021-07-22   
661-518 4 Tehachapi CA   649C ONVOY, LLC - CA 734   2021-07-22   
661-518 5 Tehachapi CA   624H ONVOY SPECTRUM, LLC 734   2021-12-08   
661-518 6 Tehachapi CA   939H COMMIO, LLC 734   2022-07-22   
661-518 7 Tehachapi CA   6529 T-MOBILE USA, INC. 734   2022-05-27   
661-518 8 Tehachapi CA   516J TON80 COMMUNICATIONS, LLC 734   2021-10-09   
661-518 9 Tehachapi CA   6529 T-MOBILE USA, INC. 734   2021-05-15   

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

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