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: 493

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-493 A Dell AR   128L E. RITTER COMMUNICATIONS, LLC 528      
870-493 0 Dell AR   515J IP HORIZON LLC 528   2024-03-24   
870-493 1 Dell AR LTRKARZO2MD  073H TELNYX LLC 528   2018-11-14   
870-493 2 Dell AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2021-04-18   
870-493 3 Dell AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2006-09-25   
870-493 4 Dell AR   145J TERRA NOVA TELECOM INC. 528   2023-08-06   
870-493 5 Dell AR LTRKARGGUMD  939H COMMIO, LLC 528   2022-12-17   
870-493 6 Dell AR LTRKARFRXWY  516C AT&T CORP. 528   2011-04-15   
870-493 7 Dell AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2020-10-17   
870-493 8 Dell AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2020-10-17   
870-493 9 Dell AR   128L E. RITTER COMMUNICATIONS, LLC 528      

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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