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: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-504 A Bellevue WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-504 0 Bellevue WA   6529 T-MOBILE USA, INC. 674   2021-04-03   
425-504 1 Bellevue WA   6529 T-MOBILE USA, INC. 674   2021-04-03   
425-504 2 Bellevue WA   6529 T-MOBILE USA, INC. 674   2021-04-03   
425-504 3 Bellevue WA   6529 T-MOBILE USA, INC. 674   2021-04-03   
425-504 4 Bellevue WA   6529 T-MOBILE USA, INC. 674   2021-04-03   
425-504 5 Bellevue WA   6529 T-MOBILE USA, INC. 674   2021-05-02   
425-504 6 Bellevue WA   483E ONVOY, LLC - WA 674   2021-03-04   
425-504 7 Bellevue WA   483E ONVOY, LLC - WA 674   2021-03-04   
425-504 8 Bellevue WA   483E ONVOY, LLC - WA 674   2021-03-04   
425-504 9 Bellevue WA   6529 T-MOBILE USA, INC. 674   2021-05-02   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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