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.

NPA: 425 [Rate centres in NPA 425] [Dial plan for NPA 425]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-955 A Bellevue WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-956 A Bellevue WA RDMDWAXAPS0  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2024-01-10   
425-956 0 Bellevue WA   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-956 1 Bellevue WA   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-956 2 Bellevue WA   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-956 3 Bellevue WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-04-01   
425-956 4 Bellevue WA   6529 T-MOBILE USA, INC. 674   2007-09-29   
425-956 5 Bellevue WA   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-956 6 Bellevue WA   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-956 7 Bellevue WA   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-956 8 Bellevue WA   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-956 9 Bellevue WA   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-957 A Bellevue WA BLLVWASHDS0  9638 QWEST CORPORATION 674      
425-961 A Issaquah WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-961 0 Issaquah WA   318J COMCAST IP PHONE, LLC 674   2009-01-12   
425-961 1 Issaquah WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-961 2 Issaquah WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2018-05-18   
425-961 3 Issaquah WA   6529 T-MOBILE USA, INC. 674   2017-12-30   
425-961 4 Issaquah WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-961 5 Issaquah WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2018-05-18   
425-961 6 Issaquah WA   483E ONVOY, LLC - WA 674   2015-05-19   
425-961 7 Issaquah WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-961 8 Issaquah WA   6529 T-MOBILE USA, INC. 674   2018-08-22   
425-961 9 Issaquah WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2017-08-06   
425-962 A Bellevue WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-963 A Bellevue WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-965 A Renton WA RDMDWASYDS1  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-965 0 Renton WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-965 1 Renton WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-965 2 Renton WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-965 3 Renton WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-965 4 Renton WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-965 5 Renton WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-965 6 Renton WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-965 7 Renton WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-965 8 Renton WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-965 9 Renton WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-966 A Snoqualmie Pass WA STTLWAWB15Z  965H FRACTEL, LLC 674      
425-966 0 Snoqualmie Pass WA   508J CENTURYLINK COMMUNICATIONS, LLC 674   2021-09-24   
425-966 2 Snoqualmie Pass WA   483E ONVOY, LLC - WA 674   2021-11-20   
425-966 3 Snoqualmie Pass WA   483E ONVOY, LLC - WA 674   2021-11-20   
425-966 6 Snoqualmie Pass WA   965H FRACTEL, LLC 674   2021-09-23   
425-966 7 Snoqualmie Pass WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2021-09-24   
425-966 9 Snoqualmie Pass WA   145J TERRA NOVA TELECOM INC. 674   2025-07-14   
425-967 A Halls Lake WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-967 0 Halls Lake WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-967 1 Halls Lake WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-12-03   
425-967 2 Halls Lake WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-05-22   
425-967 3 Halls Lake WA   318J COMCAST IP PHONE, LLC 674   2007-02-17   
425-967 4 Halls Lake WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-967 5 Halls Lake WA   318J COMCAST IP PHONE, LLC 674   2007-02-17   
425-967 6 Halls Lake WA   318J COMCAST IP PHONE, LLC 674   2014-06-27   
425-967 7 Halls Lake WA   318J COMCAST IP PHONE, LLC 674   2012-09-08   
425-967 8 Halls Lake WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2009-04-27   
425-967 9 Halls Lake WA   6529 T-MOBILE USA, INC. 674   2024-09-28   
425-968 A Kirkland WA KRLDWADWDS1  7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674      
425-968 0 Kirkland WA   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674      
425-968 1 Kirkland WA   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674      
425-968 2 Kirkland WA   318J COMCAST IP PHONE, LLC 674   2007-07-06   
425-968 3 Kirkland WA   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674   2008-10-06   
425-968 4 Kirkland WA   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674      
425-968 5 Kirkland WA   318J COMCAST IP PHONE, LLC 674   2007-07-06   
425-968 6 Kirkland WA   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674      
425-968 7 Kirkland WA   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674      
425-968 8 Kirkland WA   318J COMCAST IP PHONE, LLC 674   2006-01-10   
425-968 9 Kirkland WA   7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674      
425-969 A Bellevue WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-970 A Renton WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-970 0 Renton WA   6529 T-MOBILE USA, INC. 674   2019-11-17   
425-970 1 Renton WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2014-03-26   
425-970 2 Renton WA   5562 METROPCS, INC. 674   2017-08-20   
425-970 3 Renton WA   318J COMCAST IP PHONE, LLC 674   2007-02-24   
425-970 4 Renton WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2012-06-28   
425-970 5 Renton WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-10-29   
425-970 6 Renton WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-970 7 Renton WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2010-05-21   
425-970 8 Renton WA   483E ONVOY, LLC - WA 674   2015-12-29   
425-970 9 Renton WA   483E ONVOY, LLC - WA 674   2015-12-29   
425-971 A Everett WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      
425-971 0 Everett WA   6529 T-MOBILE USA, INC. 674      
425-971 1 Everett WA   6529 T-MOBILE USA, INC. 674      
425-971 2 Everett WA   6529 T-MOBILE USA, INC. 674   2006-08-13   
425-971 3 Everett WA   6529 T-MOBILE USA, INC. 674      
425-971 4 Everett WA   6529 T-MOBILE USA, INC. 674      
425-971 5 Everett WA   6529 T-MOBILE USA, INC. 674      
425-971 6 Everett WA   6529 T-MOBILE USA, INC. 674      
425-971 7 Everett WA   6529 T-MOBILE USA, INC. 674      
425-971 8 Everett WA   6529 T-MOBILE USA, INC. 674      
425-971 9 Everett WA   5562 METROPCS, INC. 674      
425-973 A Bellevue WA BLLVWAGLDS0  9638 QWEST CORPORATION 674      
425-974 A Bellevue WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-974 0 Bellevue WA   6529 T-MOBILE USA, INC. 674   2007-09-29   
425-974 1 Bellevue WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-974 2 Bellevue WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-974 3 Bellevue WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-974 4 Bellevue WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-974 5 Bellevue WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-04-08   
425-974 6 Bellevue WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-974 7 Bellevue WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
425-974 8 Bellevue WA   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.