Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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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 PNBLARJEX2Y  240H AIRECAST, LLC - AR 530   2017-05-25   
870-533 1 STMPARMARS1  9533 SOUTHWESTERN BELL 530      
870-533 2 STMPARMARS1  9533 SOUTHWESTERN BELL 530      
870-533 3 STMPARMARS1  9533 SOUTHWESTERN BELL 530      
870-533 4 STMPARMARS1  9533 SOUTHWESTERN BELL 530      
870-533 5 PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2004-05-03   
870-533 6 PNBLARIFTMD  516C AT&T CORP. 530   2011-08-11   
870-533 8 PNBLAREK1MD  073H TELNYX LLC 530   2022-09-16   
870-953 A PNBLARJEXHY  6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 530      
870-953 0 PNBLARJEXHY  6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 530      
870-953 1 PNBLARJEXHY  6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 530      
870-953 2 PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2019-06-30   
870-953 3 PNBLARJEX4X  348F ONVOY, LLC - AR 530   2021-07-21   
870-953 7 PNBLARJEX7Y  508J CENTURYLINK COMMUNICATIONS, LLC 530   2015-04-22   
870-953 9 PNBLARJEXHY  6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 530      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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