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: ISQHWAEXDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
425-313 A Issaquah WA 9638 QWEST CORPORATION 674      
425-369 A Issaquah WA 9638 QWEST CORPORATION 674      
425-369 0 Issaquah WA 9638 QWEST CORPORATION 674      
425-369 1 Issaquah WA 9638 QWEST CORPORATION 674      
425-369 2 Issaquah WA 9638 QWEST CORPORATION 674      
425-369 3 Issaquah WA 9638 QWEST CORPORATION 674      
425-369 5 Issaquah WA 9638 QWEST CORPORATION 674      
425-369 6 Issaquah WA 9638 QWEST CORPORATION 674      
425-369 8 Issaquah WA 9638 QWEST CORPORATION 674      
425-369 9 Issaquah WA 9638 QWEST CORPORATION 674      
425-391 A Issaquah WA 9638 QWEST CORPORATION 674      
425-392 A Issaquah WA 9638 QWEST CORPORATION 674      
425-394 A Issaquah WA 9638 QWEST CORPORATION 674      
425-394 0 Issaquah WA 9638 QWEST CORPORATION 674      
425-394 1 Issaquah WA 9638 QWEST CORPORATION 674      
425-416 9 Issaquah WA 9638 QWEST CORPORATION 674   2015-09-17   
425-427 A Issaquah WA 9638 QWEST CORPORATION 674      
425-557 A Issaquah WA 9638 QWEST CORPORATION 674      
425-651 0 Issaquah WA 9638 QWEST CORPORATION 674   2015-04-28   
425-651 1 Issaquah WA 9638 QWEST CORPORATION 674   2015-04-28   
425-837 A Issaquah WA 9638 QWEST CORPORATION 674      
425-837 0 Issaquah WA 9638 QWEST CORPORATION 674      
425-837 1 Issaquah WA 9638 QWEST CORPORATION 674      
425-837 3 Issaquah WA 9638 QWEST CORPORATION 674      
425-837 4 Issaquah WA 9638 QWEST CORPORATION 674      
425-837 5 Issaquah WA 9638 QWEST CORPORATION 674      
425-837 6 Issaquah WA 9638 QWEST CORPORATION 674      
425-837 7 Issaquah WA 9638 QWEST CORPORATION 674      
425-837 8 Issaquah WA 9638 QWEST CORPORATION 674      
425-837 9 Issaquah WA 9638 QWEST CORPORATION 674      

Last updated: Fri, 10 Sep 2021 12:38:21 UTC

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