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: 7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
564-256 9 Bremerton WA PLSBWAXXQMD  674   2024-03-08   
564-257 A Bremerton WA PLSBWAXXQMD  674   2024-03-08   
564-257 5 Bremerton WA PLSBWAXXQMD  674   2024-03-08   
564-257 6 Bremerton WA PLSBWAXXQMD  674   2024-03-08   
564-257 7 Bremerton WA PLSBWAXXQMD  674   2024-03-08   
564-257 8 Bremerton WA PLSBWAXXQMD  674   2024-03-08   
564-257 9 Bremerton WA PLSBWAXXQMD  674   2024-03-08   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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