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.

OCN: 1709 MADISON COUNTY TEL. CO., INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
479-232 A Aurora AR HNVIARXADS0  526      
479-559 A Forum AR HNVIARXADS0  526      
479-665 A Kingston AR HNVIARXADS0  526      
479-737 A Huntsville AR HNVIARXADS0  526      
479-738 A Huntsville AR HNVIARXADS0  526      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.