Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Portland, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-737 A PTLDARMARS1  9533 SOUTHWESTERN BELL 530      
870-737 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530      
870-737 2   9533 SOUTHWESTERN BELL 530      
870-737 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530      
870-737 4   9533 SOUTHWESTERN BELL 530      
870-737 5   516C AT&T CORP. 530   2011-03-25   
870-737 7   7575 CENTURYLINK COMMUNICATIONS LLC 530   2015-04-22   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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