Local Calling Guide

Area code/prefix search

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Mount Holly, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-554 A MTHLARMARS2  9533 SOUTHWESTERN BELL 530      
870-554 1 MTHLARMARS2  9533 SOUTHWESTERN BELL 530      
870-554 2 MTHLARMARS2  9533 SOUTHWESTERN BELL 530      
870-554 4 PNBLARJEX4X  348F ONVOY, LLC - AR 530   2021-07-21   
870-554 5 PNBLARIFTMD  516C AT&T CORP. 530   2011-03-25   
870-554 7 PNBLARJEX7Y  508J CENTURYLINK COMMUNICATIONS, LLC 530   2015-04-22   
870-554 8 PNBLARJEX4X  348F ONVOY, LLC - AR 530   2023-06-02   
870-554 9 PNBLARIFUMD  802C TELEPORT COMMUNICATIONS AMERICA, LLC - AR 530   2023-03-18   

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

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