Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 228 [Rate centres in NPA 228] [Dial plan for NPA 228]

NXX: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-900 A Tanner-Williams MS MOBLALAZX6Z  719E ONVOY, LLC - MS 480      
228-900 0 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2017-10-09   
228-900 1 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2019-02-25   
228-900 2 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2019-05-17   
228-900 3 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2021-01-14   
228-900 4 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2018-02-08   
228-900 5 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2020-10-27   
228-900 6 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2020-10-27   
228-900 7 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2021-01-14   
228-900 8 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2019-02-25   
228-900 9 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2017-06-12   

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

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