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: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-484 9 Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-485 A Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-486 A Stafford-Sandy OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-486 0 Stafford-Sandy OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2023-06-08   
503-486 1 Stafford-Sandy OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-486 2 Stafford-Sandy OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-486 3 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-11-10   
503-486 4 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-11-10   
503-486 5 Stafford-Sandy OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2008-03-31   
503-486 6 Stafford-Sandy OR PTLDORWAXDY  2998 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - OR 672   2010-08-04   
503-486 7 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2007-04-15   
503-486 8 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-16   
503-486 9 Stafford-Sandy OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2021-03-17   
503-487 A Newberg OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-487 0 Newberg OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-10-24   
503-487 1 Newberg OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-487 2 Newberg OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2021-11-26   
503-487 3 Newberg OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-10-24   
503-487 4 Newberg OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-487 5 Newberg OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-07-28   
503-487 6 Newberg OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2006-05-07   
503-487 7 Newberg OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2005-10-14   
503-487 8 Newberg OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-07-28   
503-487 9 Newberg OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-488 A Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-488 0 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2007-07-17   
503-488 1 Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-488 2 Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-488 3 Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-488 4 Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-488 5 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2004-07-30   
503-488 6 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2004-07-30   
503-488 7 Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-488 8 Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-488 9 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2014-06-27   
503-489 A Gresham OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-489 0 Gresham OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-489 1 Gresham OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-489 2 Gresham OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-489 3 Gresham OR PTLJORIY1MD  5562 METROPCS, INC. 672   2014-11-09   
503-489 4 Gresham OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-06-19   
503-489 5 Gresham OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2005-01-31   
503-489 6 Gresham OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-489 7 Gresham OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-02-20   
503-489 8 Gresham OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-02-20   
503-489 9 Gresham OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-09-04   
503-490 A Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-490 0 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-490 1 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-490 2 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      

<< 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 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.