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.

OCN: 817C INTRADO COMMUNICATIONS, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
219-260 1 Michigan City IN   332   2026-09-12   
219-260 2 Michigan City IN   332   2026-09-12   
219-260 3 Michigan City IN   332   2026-09-12   
219-336 9 Michigan City IN SBNDIN01Y4X  332   2016-09-03   
219-430 0 Merrillville IN   358   2026-11-02   
219-898 9 Michigan City IN SBNDIN01Y4X  332   2014-04-19   
463-251 2 Fishers IN   336   2026-11-01   
463-341 7 Carmel IN   336   2026-10-10   
574-666 0 South Bend IN SBNDIN01Y4X  332   2019-11-25   
574-666 1 South Bend IN SBNDIN01Y4X  332   2019-11-25   
574-666 8 South Bend IN SBNDIN01Y4X  332   2019-11-25   
574-990 A South Bend IN SBNDIN01Y4X  332      
574-990 0 South Bend IN   332      
574-990 1 South Bend IN   332      
574-990 2 South Bend IN   332      
574-990 3 South Bend IN   332      
574-990 4 South Bend IN   332      
574-990 5 South Bend IN   332      
574-990 6 South Bend IN   332      
574-990 7 South Bend IN   332      
574-990 8 South Bend IN   332      
574-990 9 South Bend IN SBNDIN01Y4X  332      
765-614 7 Kokomo IN   336   2026-11-01   
765-880 7 Anderson IN   336   2026-10-10   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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