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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
463-310 A Cicero IN IPLWIN75DS5  097D ONVOY, LLC - IN 336   2024-07-05   
463-310 0 Cicero IN IPLWIN75DS5  097D ONVOY, LLC - IN 336   2024-07-05   
463-310 1 Cicero IN IPLUINJGBMD  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 336   2024-07-06   
463-310 7 Cicero IN   6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 336   2025-10-23   
463-310 8 Cicero IN   6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 336   2025-10-23   
463-310 9 Cicero IN   097D ONVOY, LLC - IN 336   2025-05-03   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.