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: 585

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-585 A Silver Lake WA EVRTWAXAXSX  707G WIDE VOICE, LLC - WA 674      
425-585 0 Silver Lake WA   318J COMCAST IP PHONE, LLC 674      
425-585 1 Silver Lake WA   707G WIDE VOICE, LLC - WA 674   2016-11-11   
425-585 2 Silver Lake WA   483E ONVOY, LLC - WA 674   2021-06-26   
425-585 3 Silver Lake WA   5562 METROPCS, INC. 674   2020-01-11   
425-585 4 Silver Lake WA   483E ONVOY, LLC - WA 674   2021-06-26   
425-585 5 Silver Lake WA   321J HD CARRIER LLC 674   2016-05-21   
425-585 6 Silver Lake WA   321J HD CARRIER LLC 674   2019-05-05   
425-585 7 Silver Lake WA   321J HD CARRIER LLC 674   2019-08-22   
425-585 8 Silver Lake WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2017-04-03   
425-585 9 Silver Lake WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      

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

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