Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 228 [Rate centres in NPA 228] [Dial plan for NPA 228]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-587 A Pass Christian MS   806K 484   2025-11-17   
228-587 0 Pass Christian MS   806K 484   2025-11-17   
228-587 2 Pass Christian MS   806K 484   2025-11-17   
228-587 7 Pass Christian MS   806K 484   2025-11-17   
228-587 8 Pass Christian MS   806K 484   2025-11-17   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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