Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 577F RINGSQUARED TELECOM LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
206-485 9 Seattle WA   674      
206-543 A Seattle WA STTLWADJDS1  674      
206-562 A Seattle WA STTLWADJDS1  674      
206-562 0 Seattle WA STTLWADJDS1  674      
206-562 1 Seattle WA STTLWADJDS1  674      
206-562 2 Seattle WA STTLWADJDS1  674      
206-562 3 Seattle WA STTLWADJDS1  674      
206-562 4 Seattle WA STTLWADJDS1  674      
206-562 5 Seattle WA STTLWADJDS1  674      
206-562 6 Seattle WA STTLWADJDS1  674      
206-562 7 Seattle WA STTLWADJDS1  674      
206-562 8 Seattle WA STTLWADJDS1  674      
206-562 9 Seattle WA STTLWADJDS1  674      
206-616 A Seattle WA STTLWADJDS1  674      
206-665 7 Seattle WA STTLWADJDS1  674      
206-665 8 Seattle WA STTLWADJDS1  674      
206-707 0 Seattle WA STTLWADJDS1  674      
206-707 7 Seattle WA STTLWADJDS1  674      
206-717 9 Seattle WA   674      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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