Local Calling Guide

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

NXX: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-506 A Stafford-Sandy OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      
503-506 0 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2007-06-15   
503-506 1 Stafford-Sandy OR PTLDORWAXCY  647F ELTOPIA COMMUNICATIONS LLC - OR 672   2010-07-17   
503-506 2 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-16   
503-506 3 Stafford-Sandy OR PTLDOR13XGX  506J TWILIO INTERNATIONAL, INC. 672   2021-01-15   
503-506 4 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-16   
503-506 5 Stafford-Sandy OR PTLDORWAXDY  2998 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - OR 672   2010-05-20   
503-506 6 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2012-12-16   
503-506 7 Stafford-Sandy OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2011-09-16   
503-506 8 Stafford-Sandy OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2012-12-31   
503-506 9 Stafford-Sandy OR TGRDORAODS0  7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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