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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Switch: MTVLMOXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-242 A Marthasville MCA6 MO 9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-242 2 Marthasville MCA6 MO 9787 BRIGHTSPEED OF MISSOURI, LLC 520   2007-03-01   
636-433 A Marthasville MO 9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-433 2 Marthasville MO 9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-433 5 Marthasville MO 9787 BRIGHTSPEED OF MISSOURI, LLC 520      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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