Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 360 [Rate centres in NPA 360] [Dial plan for NPA 360]

NXX: 620

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
360-620 A Silverdale WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      

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

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