Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 369 [Rate centres in NPA 369] [Dial plan for NPA 369]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
369-221 A Santa Rosa CA MLPTCAVPAMD  0051 SHELCOMM 722   2024-11-03   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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