Local Calling Guide

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

NXX: 734

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-734 A Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-734 0 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2006-11-03   
503-734 1 Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-734 2 Portland OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2007-07-27   
503-734 3 Portland OR PTLEORXMAMD  7537 LEVEL 3 TELECOM OF OREGON, LLC - OR 672      
503-734 4 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2007-07-27   
503-734 5 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2003-08-31   
503-734 6 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2003-08-31   
503-734 7 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2003-08-31   
503-734 8 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2003-11-26   
503-734 9 Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2006-03-05   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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