Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 559 [Rate centres in NPA 559] [Dial plan for NPA 559]

NXX: 387

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-387 A Clovis CA CLVSCA11DS0  9740 PACIFIC BELL 728      
559-387 0 Clovis CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-04-07   
559-387 1 Clovis CA   9740 PACIFIC BELL 728   2013-11-30   
559-387 2 Clovis CA   9740 PACIFIC BELL 728   2013-11-30   
559-387 3 Clovis CA   9740 PACIFIC BELL 728   2013-11-30   
559-387 4 Clovis CA   981E BANDWIDTH.COM CLEC, LLC - CA 728   2014-05-12   
559-387 5 Clovis CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728   2014-03-01   
559-387 6 Clovis CA   6529 T-MOBILE USA, INC. 728   2014-11-18   
559-387 7 Clovis CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-08-05   
559-387 8 Clovis CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-09-16   
559-387 9 Clovis CA   6529 T-MOBILE USA, INC. 728   2014-04-13   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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