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: BILXMSEDXNX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
228-216 A Bay St Louis MS 6581 CELLULAR SOUTH, INC. 484      
228-217 A Pascagoula MS 6581 CELLULAR SOUTH, INC. 484      
228-218 A Pascagoula MS 6581 CELLULAR SOUTH, INC. 484      
228-219 A Pascagoula MS 6581 CELLULAR SOUTH, INC. 484      
228-234 A Gulfport MS 6581 CELLULAR SOUTH, INC. 484      
228-297 A Biloxi MS 6581 CELLULAR SOUTH, INC. 484      
228-334 A Ocean Springs MS 6581 CELLULAR SOUTH, INC. 484      
228-493 A Bay St Louis MS 6581 CELLULAR SOUTH, INC. 484      
228-669 A Gulfport MS 6581 CELLULAR SOUTH, INC. 484      
228-697 A Biloxi MS 6581 CELLULAR SOUTH, INC. 484      
228-860 A Biloxi MS 6581 CELLULAR SOUTH, INC. 484      
228-861 A Biloxi MS 6581 CELLULAR SOUTH, INC. 484      
228-990 A Pascagoula MS 6581 CELLULAR SOUTH, INC. 484      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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