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.

Ashland, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-476 A VRGNILXCDS1  0984 CASS TELEPHONE COMPANY 374      
447-248 A SPFDILESX8Y  490J BOOST SUBSCRIBERCO L.L.C. 374      
447-248 9 SPFDILESX8Y  490J BOOST SUBSCRIBERCO L.L.C. 374   2023-04-21   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.