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: 534

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-534 A Delano CA BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734      
661-534 0 Delano CA   5562 METROPCS, INC. 734   2015-05-02   
661-534 1 Delano CA   5562 METROPCS, INC. 734   2015-05-02   
661-534 2 Delano CA   5562 METROPCS, INC. 734   2015-05-02   
661-534 3 Delano CA   5562 METROPCS, INC. 734   2015-05-02   
661-534 4 Delano CA   5562 METROPCS, INC. 734   2015-05-02   
661-534 5 Delano CA   6529 T-MOBILE USA, INC. 734   2016-10-30   
661-534 6 Delano CA   6529 T-MOBILE USA, INC. 734   2015-05-02   
661-534 7 Delano CA   508J CENTURYLINK COMMUNICATIONS, LLC 734   2015-05-01   
661-534 8 Delano CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2018-10-25   
661-534 9 Delano CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2018-03-11   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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