Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 253 [Rate centres in NPA 253] [Dial plan for NPA 253]

NXX: 559

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-559 A Graham WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      

Last updated: Sun, 17 May 2026 03:26:51 UTC

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