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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NPA: 425 [Rate centres in NPA 425] [Dial plan for NPA 425]

NXX: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-590 A Bellevue WA BLLVWAGLRS3  9638 QWEST CORPORATION 674      
425-590 0 Bellevue WA   9638 QWEST CORPORATION 674      
425-590 1 Bellevue WA   9638 QWEST CORPORATION 674      
425-590 2 Bellevue WA   9638 QWEST CORPORATION 674      
425-590 3 Bellevue WA   9638 QWEST CORPORATION 674      
425-590 4 Bellevue WA   9638 QWEST CORPORATION 674      
425-590 5 Bellevue WA   9638 QWEST CORPORATION 674      
425-590 6 Bellevue WA   9638 QWEST CORPORATION 674      
425-590 7 Bellevue WA   6529 T-MOBILE USA, INC. 674   2006-04-06   
425-590 8 Bellevue WA   9638 QWEST CORPORATION 674      
425-590 9 Bellevue WA   6060 COMCAST PHONE OF WASHINGTON OREGON, LLC - WA 674   2009-09-25   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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