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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Switch: STTLWAWB12Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-877 4 Seattle WA 145J TERRA NOVA TELECOM INC. 674   2026-07-06   
253-440 0 Tacoma WA 145J TERRA NOVA TELECOM INC. 674   2026-02-02   
253-501 0 Sumner WA 145J TERRA NOVA TELECOM INC. 674   2026-07-06   
253-867 6 Kent WA 145J TERRA NOVA TELECOM INC. 674   2026-07-06   
360-287 0 Marysville WA 145J TERRA NOVA TELECOM INC. 674   2026-03-15   
360-376 0 San Juan WA 145J TERRA NOVA TELECOM INC. 674   2026-03-15   
360-492 0 Morton WA 145J TERRA NOVA TELECOM INC. 674   2026-06-07   
360-626 4 Poulsbo WA 145J TERRA NOVA TELECOM INC. 674   2026-03-30   
360-638 8 Kingston WA 145J TERRA NOVA TELECOM INC. 674   2026-03-15   
360-677 9 Skykomish WA 145J TERRA NOVA TELECOM INC. 674   2026-06-07   
360-680 2 Hood Canal WA 145J TERRA NOVA TELECOM INC. 674   2026-06-07   
360-767 1 Chehalis WA 145J TERRA NOVA TELECOM INC. 674   2026-06-07   
360-780 4 Forks WA 145J TERRA NOVA TELECOM INC. 674   2026-06-07   
360-832 9 Eatonville WA 145J TERRA NOVA TELECOM INC. 674   2026-07-06   
360-849 0 Cathlamet WA 145J TERRA NOVA TELECOM INC. 672   2026-03-15   
360-850 4 Bremerton WA 145J TERRA NOVA TELECOM INC. 674   2025-07-27   
360-851 0 Black Diamond WA 145J TERRA NOVA TELECOM INC. 674   2026-03-16   
425-995 5 Everett WA 145J TERRA NOVA TELECOM INC. 674   2026-01-12   
503-565 6 McMinnville OR 145J TERRA NOVA TELECOM INC. 672   2026-03-18   
503-822 4 Sherwood OR 145J TERRA NOVA TELECOM INC. 672   2026-03-13   
509-250 4 Goldendale WA 145J TERRA NOVA TELECOM INC. 672   2026-03-15   
509-364 9 Glenwood WA 145J TERRA NOVA TELECOM INC. 672   2026-03-15   
509-395 1 Trout Lake WA 145J TERRA NOVA TELECOM INC. 672   2026-03-15   
564-999 A Olympia WA 145J TERRA NOVA TELECOM INC. 674      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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