Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 564 [Rate centres in NPA 564] [Dial plan for NPA 564]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
564-400 A Vancouver WA   498M LTE WIRELESS INC. 672   2026-10-31   
564-400 0 Vancouver WA   498M LTE WIRELESS INC. 672   2026-10-31   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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