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: 537

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-537 A Joiner AR JONRARMARS2  9533 SOUTHWESTERN BELL 528      
870-537 0 Joiner AR   095A E. RITTER COMMS DBA RITTER COMMUNICATIONS, INC. AR 528   2004-01-17   
870-537 1 Joiner AR   9533 SOUTHWESTERN BELL 528      
870-537 2 Joiner AR   073H TELNYX LLC 528   2018-11-26   
870-537 3 Joiner AR   516C AT&T CORP. 528   2011-04-15   
870-537 4 Joiner AR   9533 SOUTHWESTERN BELL 528      
870-537 5 Joiner AR   9533 SOUTHWESTERN BELL 528      
870-537 6 Joiner AR   508J CENTURYLINK COMMUNICATIONS, LLC 528   2015-01-14   
870-537 7 Joiner AR   348F ONVOY, LLC - AR 528   2022-11-28   
870-537 8 Joiner AR   348F ONVOY, LLC - AR 528   2021-03-26   
870-537 9 Joiner AR   348F ONVOY, LLC - AR 528   2020-03-13   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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