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: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-287 A Biloxi MS GLPTMS05DS0  4664 CENTURYLINK COMMUNICATIONS LLC - MS 484      
228-287 0 Biloxi MS   4664 CENTURYLINK COMMUNICATIONS LLC - MS 484      
228-287 1 Biloxi MS   4664 CENTURYLINK COMMUNICATIONS LLC - MS 484      
228-287 2 Biloxi MS   732J NUSO, LLC 484   2025-07-16   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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