Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

NXX: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-489 A Brawley CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2025-05-26   
442-489 0 Brawley CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2025-05-26   
442-489 1 Brawley CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2025-05-26   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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