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: CLMAMOCC1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
573-228 A Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-228 0 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-228 1 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-228 2 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-228 3 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-228 4 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-228 7 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-288 4 Canton MO 6275 UNITED STATES CELLULAR - MO 520   2019-03-29   
573-338 A Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-338 0 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-338 1 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-338 2 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-338 3 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-338 4 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-338 5 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-338 6 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-338 7 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-338 8 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-338 9 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-383 4 Canton MO 6275 UNITED STATES CELLULAR - MO 520   2020-06-17   
573-383 9 Canton MO 6275 UNITED STATES CELLULAR - MO 520   2023-01-08   
573-560 0 Louisiana MO 6275 UNITED STATES CELLULAR - MO 520   2004-05-03   
573-560 2 Louisiana MO 6275 UNITED STATES CELLULAR - MO 520   2009-01-17   
573-691 A Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-691 0 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521      
573-691 1 Jefferson City MO 6275 UNITED STATES CELLULAR - MO 521   2020-10-24   
573-754 0 Louisiana MO 6275 UNITED STATES CELLULAR - MO 520      
573-754 2 Louisiana MO 6275 UNITED STATES CELLULAR - MO 520      
573-818 A Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-818 0 Columbia MO 6275 UNITED STATES CELLULAR - MO 521   2020-11-19   
573-818 8 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 A Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 0 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 1 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 2 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 3 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 4 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 5 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 6 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 7 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 8 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-819 9 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 A Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 0 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 1 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 2 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 3 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 4 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 5 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 6 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 7 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 8 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      
573-881 9 Columbia MO 6275 UNITED STATES CELLULAR - MO 521      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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