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.

Tonica, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
779-215 A   515J IP HORIZON LLC 358      
779-215 0 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2023-05-26   
779-215 1   515J IP HORIZON LLC 358      
815-442 A TONCILXADS0  1086 TONICA TEL. CO. 358      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.