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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-548 5 Portland OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-548 6 Portland OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-548 7 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2004-07-10   
503-548 8 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2004-07-10   
503-548 9 Portland OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-549 A Beaverton OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-549 0 Beaverton OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2005-12-07   
503-549 1 Beaverton OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-549 2 Beaverton OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-549 3 Beaverton OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-549 4 Beaverton OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-549 5 Beaverton OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2005-12-07   
503-549 6 Beaverton OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2005-12-07   
503-549 7 Beaverton OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2005-12-07   
503-549 8 Beaverton OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2005-12-07   
503-549 9 Beaverton OR BVTNORXBX1Y  750E ONVOY, LLC - OR 672   2024-10-05   
503-550 A Newberg OR THDLORXABMD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-551 A Salem OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-552 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 0 Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 1 Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 2 Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 3 Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 4 Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 5 Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 6 Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 7 Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 8 Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-553 9 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2005-07-04   
503-554 A Newberg OR NWBRORXADS1  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-556 A Rainier OR RANROR01DS0  9638 QWEST CORPORATION 672      
503-557 A Clackamas OR ORCYOR18DS0  9638 QWEST CORPORATION 672      
503-558 A Stafford-Sandy OR SNSDORXXDS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-558 0 Stafford-Sandy OR SNSDORXXDS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-558 1 Stafford-Sandy OR SNSDORXXDS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-558 2 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2012-12-31   
503-558 3 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2014-02-10   
503-558 4 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2014-02-10   
503-558 5 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2014-02-10   
503-558 6 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2014-05-10   
503-558 7 Stafford-Sandy OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672   2013-12-20   
503-558 8 Stafford-Sandy OR SNSDORXXDS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-558 9 Stafford-Sandy OR SNSDORXXDS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-559 A Salem OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-560 A McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-560 0 McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-560 1 McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-560 2 McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-560 3 McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-560 4 McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-560 5 McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-560 6 McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-560 7 McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-560 8 McMinnville OR THDLORXABMD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2008-03-04   
503-560 9 McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2008-04-12   
503-561 A Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-562 A Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-562 0 Salem OR PTLJORIY0MD  5562 METROPCS, INC. 672   2004-12-13   
503-562 1 Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2003-05-28   
503-562 2 Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2003-05-28   
503-562 3 Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2003-05-28   
503-562 4 Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2003-05-28   
503-562 5 Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2003-05-28   
503-562 6 Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2003-05-28   
503-562 7 Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2003-05-28   
503-562 8 Salem OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2003-05-28   
503-562 9 Salem OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2006-01-13   
503-563 A Stafford-Sandy OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-563 0 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2015-05-16   
503-563 1 Stafford-Sandy OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-563 2 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-10-29   
503-563 3 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2015-05-16   
503-563 4 Stafford-Sandy OR PTLGORIAAMD  8656 GLOBAL CROSSING LOCAL SERVICES, INC. - OR 672      
503-563 5 Stafford-Sandy OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2010-05-14   
503-563 6 Stafford-Sandy OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2013-11-08   
503-563 7 Stafford-Sandy OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-563 8 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-10-29   
503-563 9 Stafford-Sandy OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2024-10-15   
503-564 A Hood Land OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-564 0 Hood Land OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-07-15   
503-564 1 Hood Land OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-07-15   
503-564 3 Hood Land OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2007-12-02   
503-564 4 Hood Land OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2005-03-25   
503-564 7 Hood Land OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2007-06-15   
503-564 8 Hood Land OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2008-11-29   
503-564 9 Hood Land OR PTLDORWAXKY  936F ASTOUND BROADBAND, LLC - OR 672   2009-07-20   
503-565 A McMinnville OR MMVLORCUDS0  2682 OREGONTEL, LLC - OR 672      
503-566 A Salem OR SALMOR58DS0  9638 QWEST CORPORATION 672      
503-567 A Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-567 0 Beaverton OR THDLORXABMD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2010-04-09   
503-567 1 Beaverton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-06-19   
503-567 2 Beaverton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-06-19   
503-567 3 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672   2009-04-23   
503-567 4 Beaverton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-06-19   
503-567 5 Beaverton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-06-19   
503-567 6 Beaverton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-06-19   
503-567 7 Beaverton OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2010-04-02   
503-567 8 Beaverton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-09-04   
503-567 9 Beaverton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-09-25   

<< 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 >>

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.