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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-320 A Sheridan AR SHRDARXAPS0  1691 WINDSTREAM ARKANSAS, INC. 530      
870-320 0 Sheridan AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530   2020-02-29   
870-320 1 Sheridan AR   073H TELNYX LLC 530   2022-09-16   
870-320 2 Sheridan AR   6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 530   2023-12-20   
870-320 3 Sheridan AR   048G TCA COMMUNICATIONS, LLC DBA SUDDENLINK COMM - AR 530   2024-04-08   
870-320 6 Sheridan AR   802C TELEPORT COMMUNICATIONS AMERICA, LLC - AR 530   2017-04-03   
870-320 9 Sheridan AR   1691 WINDSTREAM ARKANSAS, INC. 530   2015-09-11   

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

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