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.

NPA: 463 [Rate centres in NPA 463] [Dial plan for NPA 463]

NXX: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
463-323 A Westfield IN   097D ONVOY, LLC - IN 336   2025-03-01   
463-323 0 Westfield IN   097D ONVOY, LLC - IN 336   2025-03-01   
463-323 1 Westfield IN   097D ONVOY, LLC - IN 336   2026-02-23   
463-323 3 Westfield IN   145J TERRA NOVA TELECOM INC. 336   2025-05-27   
463-323 8 Westfield IN   097D ONVOY, LLC - IN 336   2026-06-14   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.