Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-533 A STMPARMARS1  9533 SOUTHWESTERN BELL 530      
870-533 0   240H AIRECAST, LLC - AR 530   2017-05-25   
870-533 1   9533 SOUTHWESTERN BELL 530      
870-533 2   9533 SOUTHWESTERN BELL 530      
870-533 3   9533 SOUTHWESTERN BELL 530      
870-533 4   9533 SOUTHWESTERN BELL 530      
870-533 5   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2004-05-03   
870-533 6   516C AT&T CORP. 530   2011-08-11   
870-533 7   624H ONVOY SPECTRUM, LLC 530   2024-07-01   
870-533 8   073H TELNYX LLC 530   2022-09-16   
870-953 A PNBLARJEXHY  6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 530      
870-953 0   6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 530      
870-953 1   6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 530      
870-953 2   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2019-06-30   
870-953 3   348F ONVOY, LLC - AR 530   2021-07-21   
870-953 7   508J CENTURYLINK COMMUNICATIONS, LLC 530   2015-04-22   
870-953 9   6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 530      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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