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: 574

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-574 A Bellevue WA   6529 T-MOBILE USA, INC. 674   2025-11-15   
425-574 0 Bellevue WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-11-17   
425-574 1 Bellevue WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-11-17   
425-574 2 Bellevue WA   6529 T-MOBILE USA, INC. 674   2025-11-17   
425-574 3 Bellevue WA   6529 T-MOBILE USA, INC. 674   2025-11-17   
425-574 4 Bellevue WA   6529 T-MOBILE USA, INC. 674   2025-11-17   
425-574 5 Bellevue WA   6529 T-MOBILE USA, INC. 674   2025-11-17   
425-574 6 Bellevue WA   6529 T-MOBILE USA, INC. 674   2025-11-17   
425-574 7 Bellevue WA   6529 T-MOBILE USA, INC. 674   2025-11-17   
425-574 8 Bellevue WA   6529 T-MOBILE USA, INC. 674   2025-11-15   
425-574 9 Bellevue WA   6529 T-MOBILE USA, INC. 674   2025-11-15   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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