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: 874

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-874 A Clovis CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-874 0 Clovis CA   624H ONVOY SPECTRUM, LLC 728   2024-01-03   
559-874 1 Clovis CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2024-02-16   
559-874 2 Clovis CA   649C ONVOY, LLC - CA 728   2023-11-03   
559-874 3 Clovis CA   6529 T-MOBILE USA, INC. 728   2024-01-31   
559-874 4 Clovis CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2024-02-16   
559-874 5 Clovis CA   6529 T-MOBILE USA, INC. 728   2023-12-13   
559-874 6 Clovis CA   6529 T-MOBILE USA, INC. 728   2023-12-13   
559-874 7 Clovis CA   6529 T-MOBILE USA, INC. 728   2023-12-13   
559-874 8 Clovis CA   6529 T-MOBILE USA, INC. 728   2023-12-13   
559-874 9 Clovis CA   6529 T-MOBILE USA, INC. 728   2023-12-13   

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

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