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: 863 [Rate centres in NPA 863] [Dial plan for NPA 863]

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
863-403 A Avon Park FL   6701 AERIAL COMMUNICATIONS, INC. 93901   2026-01-11   
863-403 0 Avon Park FL   6701 AERIAL COMMUNICATIONS, INC. 93901   2026-02-11   
863-403 9 Avon Park FL   6701 AERIAL COMMUNICATIONS, INC. 93901   2026-01-11   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.