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: HMNDINPRCM0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
219-222 A Merrillville IN 6795 INDIANA PAGING NTWK 358      
312-691 A Chicago Zone 01-Calumet IL 6795 INDIANA PAGING NTWK 358      
312-769 A Chicago Zone 01-Calumet IL 6795 INDIANA PAGING NTWK 358      
630-304 A La Grange IL 6795 INDIANA PAGING NTWK 358      
630-535 A La Grange IL 6795 INDIANA PAGING NTWK 358      
708-282 A La Grange IL 6795 INDIANA PAGING NTWK 358      
708-993 A La Grange IL 6795 INDIANA PAGING NTWK 358      
773-246 A Chicago Zone 04-Humboldt IL 6795 INDIANA PAGING NTWK 358      
773-748 A Chicago Zone 10-Beverly IL 6795 INDIANA PAGING NTWK 358      
815-533 A La Grange IL 6795 INDIANA PAGING NTWK 358      
847-889 A La Grange IL 6795 INDIANA PAGING NTWK 358      
847-896 A Northbrook IL 6795 INDIANA PAGING NTWK 358      

Last updated: Mon, 24 May 2021 01:28:43 UTC

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