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

NXX: 206

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
228-206 A Gulfport MS BILXMSEDX4X  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 484      
228-206 0 Gulfport MS BILXMSEDX4X  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 484      
228-206 1 Gulfport MS BILXMSEDX4X  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 484      
228-206 2 Gulfport MS BILXMSEDX4X  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 484      
228-206 3 Gulfport MS BILXMSEDX4X  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 484      
228-206 4 Gulfport MS BILXMSEDX4X  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 484      
228-206 5 Gulfport MS BILXMSEDX4X  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 484      
228-206 6 Gulfport MS BILXMSEDX4X  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 484      
228-206 7 Gulfport MS BILXMSEDX4X  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 484   2010-01-21   
228-206 8 Gulfport MS   719E ONVOY, LLC - MS 484   2008-10-31   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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