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: 984 [Rate centres in NPA 984] [Dial plan for NPA 984]

NXX: 416

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
984-416 A Cary NC   638E ONVOY, LLC - NC 426   2026-09-12   
984-416 0 Cary NC   638E ONVOY, LLC - NC 426   2026-09-12   
984-416 1 Cary NC   638E ONVOY, LLC - NC 426   2026-09-14   
984-416 7 Cary NC   832C INTRADO COMMUNICATIONS, LLC 426   2026-10-16   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.