Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-544 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
971-544 0 Portland OR   9638 QWEST CORPORATION 672      
971-544 1 Portland OR   9638 QWEST CORPORATION 672      
971-544 2 Portland OR   9638 QWEST CORPORATION 672      
971-544 3 Portland OR   9638 QWEST CORPORATION 672      
971-544 4 Portland OR   9638 QWEST CORPORATION 672      
971-544 5 Portland OR   9638 QWEST CORPORATION 672      
971-544 6 Portland OR   9638 QWEST CORPORATION 672      
971-544 7 Portland OR   318J COMCAST IP PHONE, LLC 672   2010-08-31   
971-544 8 Portland OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2013-07-29   
971-544 9 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2013-07-28   

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

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