Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 669 [Rate centres in NPA 669] [Dial plan for NPA 669]

NXX: 357

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
669-357 A Sunnyvale CA MLPTCAVPAMD  0051 SHELCOMM 722   2024-11-03   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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