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: GARYINGMDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
219-938 A Gary IN 9325 INDIANA BELL TEL CO INC 358      
219-939 A Gary IN 9325 INDIANA BELL TEL CO INC 358      
219-939 0 Gary IN 9325 INDIANA BELL TEL CO INC 358      
219-939 3 Gary IN 9325 INDIANA BELL TEL CO INC 358      
219-939 6 Gary IN 9325 INDIANA BELL TEL CO INC 358      
219-939 8 Gary IN 9325 INDIANA BELL TEL CO INC 358      
219-939 9 Gary IN 9325 INDIANA BELL TEL CO INC 358      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.