Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 341 [Rate centres in NPA 341] [Dial plan for NPA 341]

NXX: 261

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-261 A Fremont-Newark: Greenleaf DA CA   624H ONVOY SPECTRUM, LLC 722   2025-02-27   
341-261 1 Fremont-Newark: Greenleaf DA CA   624H ONVOY SPECTRUM, LLC 722   2025-02-27   
341-261 6 Fremont-Newark: Greenleaf DA CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2025-04-17   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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