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: JCSNMOCIDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
573-204 A Jackson MO 9533 SOUTHWESTERN BELL 520      
573-204 0 Jackson MO 9533 SOUTHWESTERN BELL 520      
573-204 1 Jackson MO 9533 SOUTHWESTERN BELL 520      
573-204 2 Jackson MO 9533 SOUTHWESTERN BELL 520      
573-204 7 Jackson MO 9533 SOUTHWESTERN BELL 520      
573-204 8 Jackson MO 9533 SOUTHWESTERN BELL 520      
573-243 A Jackson MO 9533 SOUTHWESTERN BELL 520      
573-755 A Jackson MO 9533 SOUTHWESTERN BELL 520      
573-755 4 Jackson MO 9533 SOUTHWESTERN BELL 520   2011-01-02   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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