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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: TACMWA02EMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-403 A Seattle WA 7421 AT&T - LOCAL 674      
206-403 2 Seattle WA 7421 AT&T - LOCAL 674      
206-403 4 Seattle WA 7421 AT&T - LOCAL 674      
206-403 9 Seattle WA 7421 AT&T - LOCAL 674      
253-508 A Auburn WA 7421 AT&T - LOCAL 674      
253-508 5 Auburn WA 7421 AT&T - LOCAL 674      
253-766 A Kent WA 7421 AT&T - LOCAL 674      
253-766 6 Kent WA 7421 AT&T - LOCAL 674      
253-766 8 Kent WA 7421 AT&T - LOCAL 674      
425-200 A Issaquah WA 7421 AT&T - LOCAL 674      
425-200 3 Issaquah WA 7421 AT&T - LOCAL 674      
425-416 A Issaquah WA 7421 AT&T - LOCAL 674      
425-416 1 Issaquah WA 7421 AT&T - LOCAL 674      
425-416 2 Issaquah WA 7421 AT&T - LOCAL 674      
425-416 3 Issaquah WA 7421 AT&T - LOCAL 674      
425-416 4 Issaquah WA 7421 AT&T - LOCAL 674      
425-416 5 Issaquah WA 7421 AT&T - LOCAL 674      
425-416 6 Issaquah WA 7421 AT&T - LOCAL 674      
425-416 7 Issaquah WA 7421 AT&T - LOCAL 674      
425-416 8 Issaquah WA 7421 AT&T - LOCAL 674      
425-698 A Bellevue WA 7421 AT&T - LOCAL 674      
425-698 4 Bellevue WA 7421 AT&T - LOCAL 674      
425-698 6 Bellevue WA 7421 AT&T - LOCAL 674      
425-757 A Renton WA 7421 AT&T - LOCAL 674      
425-757 5 Renton WA 7421 AT&T - LOCAL 674      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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