Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 425 [Rate centres in NPA 425] [Dial plan for NPA 425]

NXX: 435

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-435 A Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
425-435 0 Bellevue WA   6529 T-MOBILE USA, INC. 674   2013-11-14   
425-435 1 Bellevue WA   6529 T-MOBILE USA, INC. 674   2013-11-14   
425-435 2 Bellevue WA   7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674   2013-03-01   
425-435 3 Bellevue WA   6529 T-MOBILE USA, INC. 674   2013-12-17   
425-435 4 Bellevue WA   6529 T-MOBILE USA, INC. 674   2013-05-28   
425-435 5 Bellevue WA   6529 T-MOBILE USA, INC. 674   2013-12-17   
425-435 6 Bellevue WA   6529 T-MOBILE USA, INC. 674   2013-01-09   
425-435 7 Bellevue WA   6529 T-MOBILE USA, INC. 674   2013-10-19   
425-435 8 Bellevue WA   6529 T-MOBILE USA, INC. 674   2012-12-15   
425-435 9 Bellevue WA   6529 T-MOBILE USA, INC. 674   2012-12-15   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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