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: 987

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-987 A Fresno CA   649C ONVOY, LLC - CA 728   2026-03-06   
559-987 0 Fresno CA   649C ONVOY, LLC - CA 728   2026-03-06   
559-987 1 Fresno CA   649C ONVOY, LLC - CA 728   2026-03-06   
559-987 2 Fresno CA   649C ONVOY, LLC - CA 728   2026-03-06   
559-987 3 Fresno CA   649C ONVOY, LLC - CA 728   2026-03-06   
559-987 4 Fresno CA   649C ONVOY, LLC - CA 728   2026-03-06   

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

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