Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

NXX: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-621 A Portland OR BURLOR62DS0  9638 QWEST CORPORATION 672      
503-621 0 Portland OR BURLOR62DS0  9638 QWEST CORPORATION 672      
503-621 1 Portland OR BURLOR62DS0  9638 QWEST CORPORATION 672      
503-621 2 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-621 3 Portland OR BURLOR62DS0  9638 QWEST CORPORATION 672      
503-621 4 Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-621 5 Portland OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
503-621 6 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-621 7 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-621 8 Portland OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
503-621 9 Portland OR BURLOR62DS0  9638 QWEST CORPORATION 672      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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