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: 971

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-971 A Clovis CA   808C INTRADO COMMUNICATIONS, LLC 728   2026-11-09   
559-971 1 Clovis CA   808C INTRADO COMMUNICATIONS, LLC 728   2026-11-09   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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