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: 389

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-389 A Biloxi MS   700J WAVENATION, LLC 484   2026-01-26   
228-389 0 Biloxi MS   700J WAVENATION, LLC 484   2026-01-26   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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