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: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-335 A Tanner-Williams MS MOBLALAZX6Z  719E ONVOY, LLC - MS 480      
228-335 0 Tanner-Williams MS   073H TELNYX LLC 480   2020-07-23   
228-335 1 Tanner-Williams MS   624H ONVOY SPECTRUM, LLC 480   2022-07-29   
228-335 2 Tanner-Williams MS   624H ONVOY SPECTRUM, LLC 480   2021-09-29   
228-335 3 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2018-05-01   
228-335 4 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2018-09-26   
228-335 5 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2018-09-26   
228-335 6 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2020-09-13   
228-335 7 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2020-09-13   
228-335 8 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2020-09-13   
228-335 9 Tanner-Williams MS   719E ONVOY, LLC - MS 480   2020-09-13   

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

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