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: 738

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-738 A Renton WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-738 0 Renton WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-738 1 Renton WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-738 2 Renton WA   6529 T-MOBILE USA, INC. 674   2022-01-08   
425-738 3 Renton WA   073H TELNYX LLC 674   2021-09-26   
425-738 4 Renton WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-738 5 Renton WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-738 6 Renton WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-738 7 Renton WA   6529 T-MOBILE USA, INC. 674   2021-03-22   
425-738 8 Renton WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2021-04-13   
425-738 9 Renton WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2021-09-08   

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

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