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: PRTGINXAJMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
219-244 9 Lake Station IN 495J STRATUS NETWORKS 332   2021-02-15   
219-268 0 Michigan City IN 495J STRATUS NETWORKS 332   2021-02-20   
219-312 9 Valparaiso IN 495J STRATUS NETWORKS 332   2021-02-15   
219-419 1 Wanatah IN 495J STRATUS NETWORKS 332   2020-09-30   
219-788 0 Hobart IN 495J STRATUS NETWORKS 332   2021-02-15   
219-955 8 Portage IN 495J STRATUS NETWORKS 332   2021-02-15   
574-366 A South Bend IN 495J STRATUS NETWORKS 332      
574-366 1 South Bend IN 495J STRATUS NETWORKS 332   2021-01-24   

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

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