Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 870 [Rate centres in NPA 870] [Dial plan for NPA 870]

NXX: 564

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-564 A Dell AR DELLARMARS1  9533 SOUTHWESTERN BELL 528      
870-564 1 Dell AR DELLARMARS1  9533 SOUTHWESTERN BELL 528      
870-564 2 Dell AR DELLARMARS1  9533 SOUTHWESTERN BELL 528      
870-564 3 Dell AR DELLARMARS1  9533 SOUTHWESTERN BELL 528      
870-564 4 Dell AR DELLARMARS1  9533 SOUTHWESTERN BELL 528      
870-564 5 Dell AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2020-03-12   
870-564 6 Dell AR LTRKARFRXPY  802C TELEPORT COMMUNICATIONS AMERICA, LLC - AR 528   2020-06-08   
870-564 7 Dell AR RLVLARFI2MD  508J CENTURYLINK COMMUNICATIONS, LLC 528   2015-01-13   
870-564 8 Dell AR JNBOARMAX1X  624H ONVOY SPECTRUM, LLC 528   2025-01-07   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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