Local Calling Guide

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Search area code/prefix (NPA/NXX)
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Maple Valley, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
425-310 A STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-310 0   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-310 1   483E ONVOY, LLC - WA 674   2009-07-30   
425-310 2   006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-03-08   
425-310 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2003-12-20   
425-310 4   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2015-12-18   
425-310 5   006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-11-20   
425-310 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2005-09-15   
425-310 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2005-09-15   
425-310 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2005-09-15   
425-310 9   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2017-08-06   
425-358 A STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-358 0   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-06-24   
425-358 1   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2004-05-16   
425-358 2   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2012-03-01   
425-358 3   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-02-14   
425-358 4   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-358 5   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-05-16   
425-358 6   483E ONVOY, LLC - WA 674   2011-01-09   
425-358 7   318J COMCAST IP PHONE, LLC 674   2011-10-27   
425-358 8   006F BANDWIDTH.COM CLEC, LLC - WA 674   2013-11-11   
425-358 9   483E ONVOY, LLC - WA 674   2017-10-06   
425-413 A MPVYWAMVDS0  9638 QWEST CORPORATION 674      
425-432 A MPVYWAMVDS0  9638 QWEST CORPORATION 674      
425-433 A MPVYWAMVDS0  9638 QWEST CORPORATION 674      
425-433 0   9638 QWEST CORPORATION 674      
425-433 1   9638 QWEST CORPORATION 674      
425-433 2   9638 QWEST CORPORATION 674      
425-433 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2005-10-01   
425-433 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2005-10-01   
425-433 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2005-10-01   
425-433 6   318J COMCAST IP PHONE, LLC 674   2010-09-19   
425-433 7   318J COMCAST IP PHONE, LLC 674   2015-08-10   
425-433 8   318J COMCAST IP PHONE, LLC 674   2007-09-01   
425-433 9   073H TELNYX LLC 674   2019-10-25   
425-437 A   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-437 0   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-437 1   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-437 2   483E ONVOY, LLC - WA 674   2020-10-11   
425-437 3   483E ONVOY, LLC - WA 674   2020-10-11   
425-437 4   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-01-12   
425-437 5   073H TELNYX LLC 674   2020-10-12   
425-437 6   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2023-09-30   
425-437 7   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2022-05-23   
425-437 8   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2021-03-28   
425-569 A STTLWA06DSE  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
425-569 0   483E ONVOY, LLC - WA 674   2006-06-26   
425-569 1   7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
425-569 2   073H TELNYX LLC 674   2022-06-10   
425-569 3   516J TON80 COMMUNICATIONS, LLC 674   2022-02-02   
425-569 4   483E ONVOY, LLC - WA 674   2022-09-22   
425-569 5   663D ELTOPIA COMMUNICATIONS, LLC - WA 674   2020-07-29   
425-569 7   508J CENTURYLINK COMMUNICATIONS, LLC 674   2015-06-26   
425-569 8   483E ONVOY, LLC - WA 674   2022-09-22   
425-569 9   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2017-04-03   
425-578 A STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-578 0   006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-02-12   
425-578 1   006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-02-12   
425-578 2   490J DISH WIRELESS, LLC 674   2023-07-03   
425-578 4   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2010-06-20   
425-578 5   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2018-06-09   
425-578 7   483E ONVOY, LLC - WA 674   2015-10-11   
425-578 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-584 A   483E ONVOY, LLC - WA 674      
425-584 1   483E ONVOY, LLC - WA 674   2021-06-26   
425-584 2   483E ONVOY, LLC - WA 674   2021-06-26   
425-584 3   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2018-11-02   
425-584 5   483E ONVOY, LLC - WA 674   2021-06-26   
425-584 6   483E ONVOY, LLC - WA 674   2021-06-26   
425-584 7   318J COMCAST IP PHONE, LLC 674   2005-03-26   
425-584 8   483E ONVOY, LLC - WA 674   2006-08-15   
425-584 9   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2024-12-15   
425-660 A STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-660 0   145J TERRA NOVA TELECOM INC. 674   2021-01-29   
425-660 1   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2023-11-23   
425-660 2   483E ONVOY, LLC - WA 674      
425-660 3   483E ONVOY, LLC - WA 674      
425-660 4   483E ONVOY, LLC - WA 674      
425-660 5   483E ONVOY, LLC - WA 674      
425-660 6   483E ONVOY, LLC - WA 674      
425-660 7   483E ONVOY, LLC - WA 674      
425-660 8   483E ONVOY, LLC - WA 674      
425-660 9   006F BANDWIDTH.COM CLEC, LLC - WA 674   2005-03-10   
425-906 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-906 1   483E ONVOY, LLC - WA 674   2016-03-12   
425-906 2   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2020-09-16   
425-906 3   483E ONVOY, LLC - WA 674      
425-906 4   483E ONVOY, LLC - WA 674      
425-906 5   483E ONVOY, LLC - WA 674      
425-906 6   483E ONVOY, LLC - WA 674      
425-906 7   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2020-12-21   
425-906 9   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-10-24   

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

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