Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Kirkland, WA

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
425-538 A RDMDWAXAPS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2024-01-11   
425-538 0   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2007-11-29   
425-538 1   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2007-11-29   
425-538 2   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2007-11-29   
425-538 3   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2007-11-29   
425-538 4   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2007-11-29   
425-538 5   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2007-11-29   
425-538 6   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2007-11-29   
425-538 7   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2007-11-29   
425-538 8   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2007-11-29   
425-538 9   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2007-11-29   
425-544 A RDMDWAXAPS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-544 0   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2017-10-14   
425-544 1   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2017-10-14   
425-544 2   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2017-10-14   
425-544 3   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2017-10-14   
425-544 4   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2017-10-14   
425-544 5   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2017-10-14   
425-544 6   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2017-10-14   
425-544 7   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2017-10-14   
425-544 8   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2017-10-14   
425-544 9   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2017-10-14   
425-553 A STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
425-553 0   006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-04-04   
425-553 1   318J COMCAST IP PHONE, LLC 674   2016-03-25   
425-553 2   006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-04-04   
425-553 3   006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-04-04   
425-553 4   006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-04-04   
425-553 5   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-07-16   
425-553 6   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-07-16   
425-553 7   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-05-18   
425-553 8   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-05-18   
425-553 9   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-03-26   
425-556 A RDMDWAXAPS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2024-01-10   
425-558 A RDMDWAXAPS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-558 0   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-558 1   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-558 2   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2011-09-28   
425-558 3   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-558 4   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-558 5   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-558 6   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-558 7   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-558 8   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-558 9   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-560 A STTLWAWB40Z  598J FIVE9, INC. 674   2024-02-23   
425-560 0   598J FIVE9, INC. 674   2024-02-23   
425-560 1   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2024-11-21   
425-560 5   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2024-07-20   
425-560 6   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2024-07-20   
425-560 7   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2024-06-09   
425-560 8   939H COMMIO, LLC 674   2024-04-18   
425-560 9   939H COMMIO, LLC 674   2024-04-18   
425-576 A KRLDWAXXDS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-580 A KRLDWAXXDS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-587 A RDMDWASYDS1  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-587 0   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2009-11-07   
425-587 1   483E ONVOY, LLC - WA 674   2005-03-13   
425-587 2   516J TON80 COMMUNICATIONS, LLC 674   2021-06-19   
425-587 3   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2009-01-19   
425-587 4   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2009-01-19   
425-587 6   483E ONVOY, LLC - WA 674   2021-02-09   
425-587 7   483E ONVOY, LLC - WA 674   2021-02-09   
425-587 8   483E ONVOY, LLC - WA 674   2021-02-09   
425-587 9   939H COMMIO, LLC 674   2021-08-31   
425-588 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
425-588 0   483E ONVOY, LLC - WA 674   2017-10-06   
425-588 1   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2018-06-16   
425-588 2   508J CENTURYLINK COMMUNICATIONS, LLC 674   2017-06-09   
425-588 3   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2018-05-04   
425-588 4   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674   2017-06-30   
425-588 5   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2017-04-08   
425-588 6   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2017-04-08   
425-588 7   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-12-01   
425-588 8   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-12-01   
425-588 9   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-12-01   
425-602 A STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-602 0   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-602 1   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-602 2   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-602 3   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-602 4   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-602 5   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-602 6   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-602 7   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2014-01-10   
425-602 8   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-602 9   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-605 A STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-629 A STTLWA06DSE  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
425-629 0   483E ONVOY, LLC - WA 674   2014-02-15   
425-629 1   7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
425-629 2   7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
425-629 3   318J COMCAST IP PHONE, LLC 674   2008-10-30   
425-629 4   7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
425-629 5   7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
425-629 6   7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
425-629 7   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674   2009-11-08   
425-629 8   483E ONVOY, LLC - WA 674   2011-01-03   
425-629 9   006F BANDWIDTH.COM CLEC, LLC - WA 674   2012-01-19   
425-636 A KRLDWADWDS1  7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674      

<< 1 2 3 4 5 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.