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: STTLWAWBXPZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-231 5 Des Moines WA 073H TELNYX LLC 674      
206-316 A Seattle WA 073H TELNYX LLC 674      
206-580 4 Seattle WA 073H TELNYX LLC 674      
206-880 7 Seattle WA 073H TELNYX LLC 674      
253-289 A Auburn WA 073H TELNYX LLC 674      
253-289 3 Auburn WA 073H TELNYX LLC 674      
253-294 7 Auburn WA 073H TELNYX LLC 674      
253-294 9 Auburn WA 073H TELNYX LLC 674      
253-765 4 Des Moines WA 073H TELNYX LLC 674      
253-999 A Tacoma WA 073H TELNYX LLC 674      
253-999 9 Tacoma WA 073H TELNYX LLC 674      
360-325 4 Whatcom County WA 073H TELNYX LLC 674      
360-325 8 Whatcom County WA 073H TELNYX LLC 674      
360-389 4 Whatcom County WA 073H TELNYX LLC 674      
360-995 0 Olympia WA 073H TELNYX LLC 674      
425-272 9 Renton WA 073H TELNYX LLC 674      
425-433 9 Maple Valley WA 073H TELNYX LLC 674      
425-800 A Bellevue WA 073H TELNYX LLC 674      
425-800 0 Bellevue WA 073H TELNYX LLC 674      
425-800 8 Bellevue WA 073H TELNYX LLC 674      
564-240 6 Silverdale WA 073H TELNYX LLC 674      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.