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.

Switch: BILXMSAT6MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
228-281 1 Pascagoula MS 145J TERRA NOVA TELECOM INC. 484   2024-02-13   
228-522 8 Pascagoula MS 145J TERRA NOVA TELECOM INC. 484   2024-09-14   
228-871 7 Gulfport MS 145J TERRA NOVA TELECOM INC. 484   2024-09-14   
228-897 8 Gulfport MS 145J TERRA NOVA TELECOM INC. 484   2024-02-13   
228-999 A Biloxi MS 145J TERRA NOVA TELECOM INC. 484      

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

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