Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Black Rock, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-878 A BLRKARMARS2  9533 SOUTHWESTERN BELL 528      
870-878 0 LTRKARFRXPY  802C TELEPORT COMMUNICATIONS AMERICA, LLC - AR 528      
870-878 1 LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528      
870-878 2 LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528      
870-878 3 WMMPARMAAMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 528      
870-878 4 LTRKARFRXWY  516C AT&T CORP. 528      
870-878 5 LTRKARZO2MD  073H TELNYX LLC 528      
870-878 6 BLRKARMARS2  9533 SOUTHWESTERN BELL 528      
870-878 7 RLVLARFI2MD  508J CENTURYLINK COMMUNICATIONS, LLC 528      
870-878 8 LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
870-878 9 LTRKARFRXLY  348F ONVOY, LLC - AR 528      
870-989 A   515J IP HORIZON LLC 528   2024-04-08   
870-989 1   515J IP HORIZON LLC 528      
870-989 9   145J TERRA NOVA TELECOM INC. 528      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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