Local Calling Guide

Area code/prefix search

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NPA: 870 [Rate centres in NPA 870] [Dial plan for NPA 870]

NXX: 533

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-533 A Stamps AR STMPARMARS1  9533 SOUTHWESTERN BELL 530      
870-533 0 Stamps AR   240H AIRECAST, LLC - AR 530   2017-05-25   
870-533 1 Stamps AR   9533 SOUTHWESTERN BELL 530      
870-533 2 Stamps AR   9533 SOUTHWESTERN BELL 530      
870-533 3 Stamps AR   9533 SOUTHWESTERN BELL 530      
870-533 4 Stamps AR   9533 SOUTHWESTERN BELL 530      
870-533 5 Stamps AR   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2004-05-03   
870-533 6 Stamps AR   516C AT&T CORP. 530   2011-08-11   
870-533 7 Stamps AR   624H ONVOY SPECTRUM, LLC 530   2024-07-01   
870-533 8 Stamps AR   073H TELNYX LLC 530   2022-09-16   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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