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: STMRMS01DMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
228-249 A Pascagoula MS 6664 SPRINT SPECTRUM L.P. 484      
228-257 A Biloxi MS 6664 SPRINT SPECTRUM L.P. 484      
228-261 A Gulfport MS 6664 SPRINT SPECTRUM L.P. 484      
228-343 A Gulfport MS 6664 SPRINT SPECTRUM L.P. 484      
228-422 A Pascagoula MS 6664 SPRINT SPECTRUM L.P. 484      
228-424 A Biloxi MS 6664 SPRINT SPECTRUM L.P. 484      
228-547 A Gulfport MS 6664 SPRINT SPECTRUM L.P. 484      
228-671 A Bay St Louis MS 6664 SPRINT SPECTRUM L.P. 484      

Last updated: Thu, 31 Jan 2019 11:20:40 UTC

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