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: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-524 A Renton WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-524 0 Renton WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-524 1 Renton WA   6529 T-MOBILE USA, INC. 674   2014-10-01   
425-524 2 Renton WA   6529 T-MOBILE USA, INC. 674   2014-10-01   
425-524 3 Renton WA   6529 T-MOBILE USA, INC. 674   2014-10-01   
425-524 4 Renton WA   318J COMCAST IP PHONE, LLC 674   2014-07-14   
425-524 5 Renton WA   6529 T-MOBILE USA, INC. 674   2014-10-01   
425-524 6 Renton WA   6529 T-MOBILE USA, INC. 674   2016-03-25   
425-524 7 Renton WA   6529 T-MOBILE USA, INC. 674   2016-03-25   
425-524 8 Renton WA   5562 METROPCS, INC. 674   2018-11-10   
425-524 9 Renton WA   5562 METROPCS, INC. 674   2016-12-24   

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

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