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: BILXMSED0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
228-233 A Biloxi MS 3099 US LEC OF TENNESSEE INC. - MS 484      
228-236 A Gulfport MS 3099 US LEC OF TENNESSEE INC. - MS 484      
228-456 A Biloxi MS 5463 NETWORK TELEPHONE CORPORATION - MS 484      
228-567 A Pascagoula MS 5463 NETWORK TELEPHONE CORPORATION - MS 484      
228-678 A Gulfport MS 5463 NETWORK TELEPHONE CORPORATION - MS 484      
228-707 A Pearlington MS 5463 NETWORK TELEPHONE CORPORATION - MS 484      
228-901 A Hurley MS 5463 NETWORK TELEPHONE CORPORATION - MS 484      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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