Local Calling Guide

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NPA: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 265

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-265 A South Sioux City NE SXCYIADTRMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630      
531-265 0 South Sioux City NE SXCYIADTCMD  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 630   2023-09-10   
531-265 1 South Sioux City NE SXCYIADT9MD  549E ONVOY, LLC - NE 630   2024-07-08   
531-265 2 South Sioux City NE SXCYIA7900Z  490J BOOST SUBSCRIBERCO L.L.C. 630   2023-05-01   
531-265 3 South Sioux City NE SXCYIADT9MD  549E ONVOY, LLC - NE 630   2024-04-07   
531-265 4 South Sioux City NE SXCYIADT9MD  549E ONVOY, LLC - NE 630   2023-05-11   
531-265 5 South Sioux City NE SXCYIA78X9X  5562 METROPCS, INC. 630   2021-07-16   
531-265 6 South Sioux City NE SXCYIADT9MD  549E ONVOY, LLC - NE 630   2023-10-21   
531-265 7 South Sioux City NE SXCYIA78X9X  6529 T-MOBILE USA, INC. 630   2023-11-10   
531-265 8 South Sioux City NE SXCYIA791MD  939H COMMIO, LLC 630   2022-09-19   
531-265 9 South Sioux City NE SXCYIADTRMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 630   2021-06-12   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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