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: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-667 A McFarland CA BKFDCA01X2X  5562 METROPCS, INC. 734      
661-667 0 McFarland CA   5562 METROPCS, INC. 734      
661-667 1 McFarland CA   5562 METROPCS, INC. 734      
661-667 2 McFarland CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2015-01-05   
661-667 3 McFarland CA   5562 METROPCS, INC. 734      
661-667 4 McFarland CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2005-07-30   
661-667 5 McFarland CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2015-03-17   
661-667 6 McFarland CA   5562 METROPCS, INC. 734      
661-667 7 McFarland CA   5562 METROPCS, INC. 734      
661-667 8 McFarland CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2019-09-14   
661-667 9 McFarland CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2020-04-07   

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

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