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
503-912 1 Gresham OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672      
503-912 2 Gresham OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-912 3 Gresham OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672      
503-912 4 Gresham OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-912 5 Gresham OR   829J PAETEC ITEL, LLC 672      
503-912 6 Gresham OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672      
503-912 7 Gresham OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
503-912 8 Gresham OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-912 9 Gresham OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-913 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-914 A Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-914 0 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-914 1 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-914 2 Portland OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
503-914 3 Portland OR PTLDOR13XFX  318J COMCAST IP PHONE, LLC 672      
503-914 4 Portland OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
503-914 5 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-914 6 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-914 7 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-914 8 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-914 9 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-915 A Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-915 0 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-915 1 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-915 2 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-915 3 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-915 4 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-915 5 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-915 6 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-915 7 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-915 8 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-915 9 Portland OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-916 A Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-916 0 Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-916 1 Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-916 2 Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-916 3 Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-916 4 Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-916 5 Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-916 6 Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-916 7 Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-916 8 Portland OR PTLDOR69DS0  9638 QWEST CORPORATION 672      
503-916 9 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-917 A Dallas OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-917 0 Dallas OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-917 1 Dallas OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-917 2 Dallas OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-917 3 Dallas OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
503-917 4 Dallas OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-917 5 Dallas OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-917 6 Dallas OR THDLORXADMD  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-917 7 Dallas OR PTLDORWAXKY  936F ASTOUND BROADBAND, LLC - OR 672      
503-917 8 Dallas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-917 9 Dallas OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-918 A Salem OR PTLDOR69X1X  6630 USA MOBILITY WIRELESS, INC. 672      
503-919 A Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-919 0 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-919 1 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-919 2 Clackamas OR BVTNORAGDS2  326E YMAX COMMUNICATIONS CORP. - OR 672      
503-919 3 Clackamas OR BVTNORAGDS2  326E YMAX COMMUNICATIONS CORP. - OR 672      
503-919 4 Clackamas OR BVTNORAGDS2  326E YMAX COMMUNICATIONS CORP. - OR 672      
503-919 5 Clackamas OR PTLJORIY1MD  5562 METROPCS, INC. 672      
503-919 6 Clackamas OR PTLJORIY1MD  5562 METROPCS, INC. 672      
503-919 7 Clackamas OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-919 8 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-919 9 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-920 A Portland OR PTLDOR69X1X  6630 USA MOBILITY WIRELESS, INC. 672      
503-921 A Portland OR PTLDOR69X1X  6630 USA MOBILITY WIRELESS, INC. 672      
503-922 A Portland OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-922 0 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-922 1 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-922 2 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-922 3 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-922 4 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-922 5 Portland OR PTLJORIY1MD  5562 METROPCS, INC. 672      
503-922 6 Portland OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
503-922 7 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-922 8 Portland OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-922 9 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-923 A Beaverton OR PTLDORPBDS7  647F ELTOPIA COMMUNICATIONS LLC - OR 672      
503-924 A Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 0 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 1 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 2 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 3 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 4 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 5 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 6 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 7 Beaverton OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
503-924 8 Beaverton OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 672      
503-924 9 Beaverton OR PTLDORWNAMD  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 672      
503-925 A Sherwood OR SHWDORXADS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-925 0 Sherwood OR SHWDORXADS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-925 1 Sherwood OR SHWDORXADS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-925 2 Sherwood OR SHWDORXADS0  4323 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 672      
503-925 3 Sherwood OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-925 4 Sherwood OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-925 5 Sherwood OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-925 6 Sherwood OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672      
503-925 7 Sherwood OR PTLEORTEPS0  7172 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 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: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.