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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-502 0 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2006-12-04   
425-502 1 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-02-09   
425-502 2 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-01-06   
425-502 3 Bellevue WA STTLWAGAPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2007-09-20   
425-502 4 Bellevue WA STTLWAGAPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2007-09-20   
425-502 5 Bellevue WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-02-25   
425-502 6 Bellevue WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-02-25   
425-502 7 Bellevue WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2006-12-11   
425-502 8 Bellevue WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2006-12-11   
425-502 9 Bellevue WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2006-12-11   
425-503 A Bellevue WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
425-504 A Bellevue WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-504 0 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-04-03   
425-504 1 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-04-03   
425-504 2 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-04-03   
425-504 3 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-04-03   
425-504 4 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-04-03   
425-504 5 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-05-02   
425-504 6 Bellevue WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-03-04   
425-504 7 Bellevue WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-03-04   
425-504 8 Bellevue WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-03-04   
425-504 9 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2021-05-02   
425-505 A Bellevue WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
425-505 0 Bellevue WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-07-19   
425-505 1 Bellevue WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-07-19   
425-505 2 Bellevue WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2011-07-21   
425-505 3 Bellevue WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2011-07-21   
425-505 4 Bellevue WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2011-07-22   
425-505 5 Bellevue WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-12-03   
425-505 6 Bellevue WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-05-19   
425-505 7 Bellevue WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-07-18   
425-505 8 Bellevue WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-07-18   
425-505 9 Bellevue WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-07-18   
425-506 A Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
425-506 0 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 1 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 2 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 3 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 4 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 5 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 6 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 7 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 8 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-506 9 Kirkland WA PLSBWAXXQMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2021-12-17   
425-507 A Issaquah WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-507 0 Issaquah WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-507 1 Issaquah WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-507 2 Issaquah WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2015-12-05   
425-507 3 Issaquah WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-10-23   
425-507 4 Issaquah WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.