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: MACNMOBA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
660-346 0 Macon MO 6275 UNITED STATES CELLULAR - MO 524      
660-346 1 Macon MO 6275 UNITED STATES CELLULAR - MO 524   2010-02-06   
660-346 3 Macon MO 6275 UNITED STATES CELLULAR - MO 524   2015-06-20   
660-346 5 Macon MO 6275 UNITED STATES CELLULAR - MO 524   2021-11-25   
660-346 6 Macon MO 6275 UNITED STATES CELLULAR - MO 524   2012-10-29   
660-346 7 Macon MO 6275 UNITED STATES CELLULAR - MO 524   2012-05-01   
660-346 8 Macon MO 6275 UNITED STATES CELLULAR - MO 524   2008-09-14   
660-346 9 Macon MO 6275 UNITED STATES CELLULAR - MO 524      

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

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