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.

Florence, SC

<< 1 2 3 4 5

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
854-903 9 FLRNSCMAXLY  624H ONVOY SPECTRUM, LLC 432   2021-06-14   

<< 1 2 3 4 5

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.