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
503-724 5 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-09-22   
503-724 6 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-09-22   
503-724 7 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-09-22   
503-724 8 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-09-22   
503-724 9 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-09-22   
503-725 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-726 A Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-726 0 Beaverton OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-726 1 Beaverton OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-726 2 Beaverton OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-726 3 Beaverton OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-726 4 Beaverton OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-726 5 Beaverton OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-726 6 Beaverton OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2011-08-05   
503-726 7 Beaverton OR   7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-726 8 Beaverton OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2011-08-05   
503-726 9 Beaverton OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2011-08-05   
503-727 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-728 A Clatskanie OR CLTSORXADS1  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-728 0 Clatskanie OR   4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-728 1 Clatskanie OR   4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-728 2 Clatskanie OR   4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-728 3 Clatskanie OR   4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-728 4 Clatskanie OR   4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-728 5 Clatskanie OR   792K CHARTER IP ENABLED SERVICES, LLC 672   2008-12-15   
503-728 6 Clatskanie OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2012-02-17   
503-728 7 Clatskanie OR   4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-728 8 Clatskanie OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2011-09-02   
503-728 9 Clatskanie OR   4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-729 A Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-729 0 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2006-12-14   
503-729 1 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2006-12-14   
503-729 2 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2006-12-14   
503-729 3 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2006-12-14   
503-729 4 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2007-09-20   
503-729 5 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2007-10-11   
503-729 6 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2007-09-20   
503-729 7 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2007-09-20   
503-729 8 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2007-01-11   
503-729 9 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2007-01-11   
503-730 A Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-731 A Portland OR PTLDOR13DS3  9638 QWEST CORPORATION 672      
503-732 A Beaver Creek OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-732 0 Beaver Creek OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2008-11-29   
503-732 1 Beaver Creek OR   7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-732 2 Beaver Creek OR   936F ASTOUND BROADBAND, LLC - OR 672   2010-11-03   
503-732 3 Beaver Creek OR   7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-732 4 Beaver Creek OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2017-10-02   
503-732 5 Beaver Creek OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-02-09   
503-732 6 Beaver Creek OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-05-04   
503-732 7 Beaver Creek OR   508J CENTURYLINK COMMUNICATIONS, LLC 672   2018-03-14   
503-732 8 Beaver Creek OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-05-04   
503-732 9 Beaver Creek OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2018-05-03   
503-733 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
503-734 A Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-734 0 Portland OR   6529 T-MOBILE USA, INC. 672   2006-11-03   
503-734 1 Portland OR   7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-734 2 Portland OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2007-07-27   
503-734 3 Portland OR   7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-734 4 Portland OR   6529 T-MOBILE USA, INC. 672   2007-07-27   
503-734 5 Portland OR   6529 T-MOBILE USA, INC. 672   2003-08-31   
503-734 6 Portland OR   6529 T-MOBILE USA, INC. 672   2003-08-31   
503-734 7 Portland OR   6529 T-MOBILE USA, INC. 672   2003-08-31   
503-734 8 Portland OR   6529 T-MOBILE USA, INC. 672   2003-11-26   
503-734 9 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-03-05   
503-735 A Portland OR PTLDOR14DS0  9638 QWEST CORPORATION 672      
503-735 0 Portland OR   9638 QWEST CORPORATION 672      
503-735 1 Portland OR   9638 QWEST CORPORATION 672      
503-735 2 Portland OR   9638 QWEST CORPORATION 672      
503-735 3 Portland OR   9638 QWEST CORPORATION 672      
503-735 4 Portland OR   9638 QWEST CORPORATION 672      
503-735 5 Portland OR   5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672   2004-11-07   
503-735 6 Portland OR   9638 QWEST CORPORATION 672      
503-735 7 Portland OR   9638 QWEST CORPORATION 672      
503-735 8 Portland OR   9638 QWEST CORPORATION 672      
503-735 9 Portland OR   9638 QWEST CORPORATION 672      
503-736 A Portland OR PTLDOR13DS3  9638 QWEST CORPORATION 672      
503-737 A Portland OR PTLDOR14DS0  9638 QWEST CORPORATION 672      
503-737 0 Portland OR   9638 QWEST CORPORATION 672      
503-737 1 Portland OR   9638 QWEST CORPORATION 672      
503-737 2 Portland OR   9638 QWEST CORPORATION 672      
503-737 3 Portland OR   9638 QWEST CORPORATION 672      
503-737 4 Portland OR   6529 T-MOBILE USA, INC. 672   2004-12-24   
503-737 5 Portland OR   6529 T-MOBILE USA, INC. 672   2004-12-24   
503-737 6 Portland OR   9638 QWEST CORPORATION 672      
503-737 7 Portland OR   6529 T-MOBILE USA, INC. 672   2004-12-24   
503-737 8 Portland OR   6529 T-MOBILE USA, INC. 672   2004-12-24   
503-737 9 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2004-11-18   
503-738 A Seaside OR SESDOR64DS0  9638 QWEST CORPORATION 672      
503-738 0 Seaside OR   9638 QWEST CORPORATION 672      
503-738 1 Seaside OR   750E ONVOY, LLC - OR 672   2012-09-26   
503-738 2 Seaside OR   9638 QWEST CORPORATION 672      
503-738 3 Seaside OR   9638 QWEST CORPORATION 672      
503-738 4 Seaside OR   9638 QWEST CORPORATION 672      
503-738 5 Seaside OR   9638 QWEST CORPORATION 672      
503-738 6 Seaside OR   9638 QWEST CORPORATION 672      
503-738 7 Seaside OR   9638 QWEST CORPORATION 672      
503-738 8 Seaside OR   9638 QWEST CORPORATION 672      
503-738 9 Seaside OR   9638 QWEST CORPORATION 672      
503-739 A Seaside OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.