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: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-621 A Texarkana AR TXRKTXXA9MD  5562 METROPCS, INC. 554      
870-621 0 Texarkana AR TXRKTXXANMD  348F ONVOY, LLC - AR 554   2021-05-08   
870-621 1 Texarkana AR LGVWTXBA56Z  490J DISH WIRELESS, LLC 554   2022-10-07   
870-621 2 Texarkana AR TXRKTXXANMD  348F ONVOY, LLC - AR 554   2020-08-12   
870-621 3 Texarkana AR TXRKTXXANMD  348F ONVOY, LLC - AR 554   2020-08-12   
870-621 4 Texarkana AR TXRKTXXAZMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-04-24   
870-621 5 Texarkana AR TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554   2021-02-27   
870-621 6 Texarkana AR TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554   2021-02-27   
870-621 7 Texarkana AR TXRKTXXA9MD  5562 METROPCS, INC. 554   2019-10-21   
870-621 8 Texarkana AR TXRKTXXA9MD  5562 METROPCS, INC. 554   2019-10-21   
870-621 9 Texarkana AR   6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 554   2025-01-22   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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