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.

Portland, OR

<< 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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
503-258 A PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-258 0 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-258 1 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-258 2 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-258 3 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-258 4 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-258 5 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-258 6 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-258 7 PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2004-12-23   
503-258 8 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-258 9 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-260 A PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-261 A PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-261 0 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-261 1 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-261 2 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-261 3 PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2004-09-17   
503-261 4 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-261 5 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-261 6 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-261 7 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-261 8 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-261 9 PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-262 A PTLDOR11DS0  9638 QWEST CORPORATION 672      
503-265 A TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-265 0 TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-265 1 TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-265 2 TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-265 3 TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-265 4 TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-265 5 TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-265 6 TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-265 7 TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-265 8 PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672      
503-265 9 PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2005-08-04   
503-267 A PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-271 A PTLDOR69X1X  6630 USA MOBILITY WIRELESS, INC. 672      
503-273 A PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-274 A PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-275 A PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-276 A PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-278 A PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-278 0 PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2008-10-13   
503-278 1 PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2008-10-13   
503-278 2 PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2008-10-13   
503-278 3 PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2008-10-26   
503-278 4 PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2009-07-02   
503-278 5 PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2009-08-17   
503-278 6 PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2009-09-05   
503-278 7 BVTNORAGDS2  326E YMAX COMMUNICATIONS CORP. - OR 672   2008-10-19   

<< 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 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.