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.

Mayesville, SC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
803-453 A NSMTSCXBDS0  0520 FARMERS TEL. COOP., INC. 434      
803-527 A   793K TWC IP ENABLED SERVICES, LLC 434   2025-03-11   
803-527 1   793K TWC IP ENABLED SERVICES, LLC 434   2013-04-19   
803-527 5 NSMTSCXB2MD  527H SOUTH CAROLINA TELECOMM GRP HOLDINGS, LLC - SC 434   2017-11-02   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.