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: PRSXMO68RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-434 A Portage des Sioux MO 9533 SOUTHWESTERN BELL 520      
636-434 0 Portage des Sioux MO 9533 SOUTHWESTERN BELL 520      
636-753 A Portage des Sioux MO 9533 SOUTHWESTERN BELL 520      
636-753 2 Portage des Sioux MO 9533 SOUTHWESTERN BELL 520      
636-899 A Portage des Sioux MCA3 MO 9533 SOUTHWESTERN BELL 520      
636-899 0 Portage des Sioux MCA3 MO 9533 SOUTHWESTERN BELL 520      
636-899 1 Portage des Sioux MCA3 MO 9533 SOUTHWESTERN BELL 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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