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: BUMUTXHM1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
409-222 2 Winnie TX 139F WORLDCALL INTERCONNECT INC. 562   2017-08-31   
409-333 A Beaumont TX 139F WORLDCALL INTERCONNECT INC. 562      
409-333 3 Beaumont TX 139F WORLDCALL INTERCONNECT INC. 562   2017-06-03   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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