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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
317-436 2 Fishers IN 145J TERRA NOVA TELECOM INC. 336   2026-03-13   
317-483 5 Mooresville IN 145J TERRA NOVA TELECOM INC. 336   2026-01-09   
317-763 6 Westfield IN 145J TERRA NOVA TELECOM INC. 336   2026-03-13   
463-800 A Indianapolis IN 145J TERRA NOVA TELECOM INC. 336      
574-382 1 Macy IN 145J TERRA NOVA TELECOM INC. 336   2026-03-13   
574-725 4 Logansport IN 145J TERRA NOVA TELECOM INC. 336   2026-03-13   
765-206 5 Marion IN 145J TERRA NOVA TELECOM INC. 336   2026-06-04   
765-280 9 Rockville IN 145J TERRA NOVA TELECOM INC. 336   2026-06-05   
765-292 6 Atlanta IN 145J TERRA NOVA TELECOM INC. 336   2026-02-05   
765-356 7 Anderson IN 145J TERRA NOVA TELECOM INC. 336   2026-03-29   
765-535 1 Lebanon IN 145J TERRA NOVA TELECOM INC. 336   2026-03-13   
765-599 0 New Castle IN 145J TERRA NOVA TELECOM INC. 336   2026-06-05   
765-633 0 Denver IN 145J TERRA NOVA TELECOM INC. 336   2026-02-05   
765-723 9 New Ross IN 145J TERRA NOVA TELECOM INC. 336   2026-03-12   
765-819 0 Boswell IN 145J TERRA NOVA TELECOM INC. 336   2026-06-05   
765-833 9 Roann IN 145J TERRA NOVA TELECOM INC. 336   2026-03-29   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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