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: 412

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-412 A Monticello AR PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530      
870-412 0 Monticello AR   240H AIRECAST, LLC - AR 530   2014-01-30   
870-412 1 Monticello AR   348F ONVOY, LLC - AR 530   2021-07-21   
870-412 2 Monticello AR   348F ONVOY, LLC - AR 530   2022-03-24   
870-412 3 Monticello AR   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2021-08-13   
870-412 4 Monticello AR   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2012-03-31   
870-412 5 Monticello AR   073H TELNYX LLC 530   2022-09-11   
870-412 6 Monticello AR   348F ONVOY, LLC - AR 530   2026-01-11   
870-412 7 Monticello AR   508J CENTURYLINK COMMUNICATIONS, LLC 530   2015-04-22   
870-412 8 Monticello AR   348F ONVOY, LLC - AR 530   2023-05-27   
870-412 9 Monticello AR   624H ONVOY SPECTRUM, LLC 530   2024-09-06   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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