Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 206 [Rate centres in NPA 206] [Dial plan for NPA 206]

NXX: 594

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-594 A Seattle WA STTLWAWB20Z  478J NUSO, LLC 674      
206-594 0 Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-06-21   
206-594 1 Seattle WA STTLWAWB20Z  478J NUSO, LLC 674   2020-06-20   
206-594 2 Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-06-21   
206-594 3 Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-06-21   
206-594 4 Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-06-21   
206-594 5 Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-06-21   
206-594 6 Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-06-21   
206-594 7 Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-06-21   
206-594 8 Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-06-21   
206-594 9 Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-06-21   

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

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