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
503-382 9 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2005-08-04   
503-383 A Salem OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-383 0 Salem OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-383 1 Salem OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2008-11-29   
503-383 2 Salem OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2007-10-19   
503-383 3 Salem OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-383 4 Salem OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2007-11-16   
503-383 5 Salem OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2010-10-04   
503-383 6 Salem OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2010-09-03   
503-383 7 Salem OR GRVSORXXDS1  5511 DATAVISION COMMUNICATIONS LLC 672   2009-03-30   
503-383 8 Salem OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2005-06-12   
503-383 9 Salem OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2008-11-29   
503-384 A Portland OR PTLDOR02DS0  9638 QWEST CORPORATION 672      
503-384 0 Portland OR PTLDOR02DS0  9638 QWEST CORPORATION 672      
503-384 1 Portland OR PTLDOR02DS0  9638 QWEST CORPORATION 672      
503-384 2 Portland OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2010-08-31   
503-384 3 Portland OR PTLDOR12DS0  9638 QWEST CORPORATION 672      
503-384 4 Portland OR PTLDOR12DS0  9638 QWEST CORPORATION 672      
503-384 5 Portland OR PTLDOR02DS0  9638 QWEST CORPORATION 672      
503-384 6 Portland OR PTLDOR12DS0  9638 QWEST CORPORATION 672      
503-384 7 Portland OR PTLDOR13DS3  9638 QWEST CORPORATION 672      
503-384 8 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2005-05-15   
503-384 9 Portland OR PTLDOR02DS0  9638 QWEST CORPORATION 672      
503-385 A Salem OR SALMORAEDS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-385 0 Salem OR SALMORAEDS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-385 1 Salem OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2008-10-30   
503-385 2 Salem OR SALMORAEDS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-385 3 Salem OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-11-23   
503-385 4 Salem OR SALMORAEDS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-385 5 Salem OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2005-06-27   
503-385 6 Salem OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2005-06-27   
503-385 7 Salem OR PTLJORIY1MD  5562 METROPCS, INC. 672   2005-07-07   
503-385 8 Salem OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2008-10-30   
503-385 9 Salem OR SALMORAEDS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-386 A Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
503-386 0 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-11-10   
503-386 1 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-17   
503-386 2 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-17   
503-386 3 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-17   
503-386 4 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2019-11-08   
503-386 5 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2014-01-02   
503-386 6 Knappa OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672   2013-11-26   
503-386 7 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2008-11-02   
503-386 8 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2011-03-20   
503-386 9 Knappa OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2014-01-02   
503-387 A Clackamas OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-387 0 Clackamas OR PTLJORIY1MD  5562 METROPCS, INC. 672   2017-03-27   
503-387 1 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2017-04-27   
503-387 2 Clackamas OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-387 3 Clackamas OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672   2006-09-14   

<< 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.