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.

Pond Branch, SC

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
803-657 A PNBHSCXARS1  0539 PBT TELECOM, INC. 434      
803-858 A PELISCXA0MD  527H SOUTH CAROLINA TELECOMM GRP HOLDINGS, LLC - SC 434      
803-858 0   5258 LEVEL 3 COMMUNICATIONS, LLC - SC 434   2024-07-06   
803-858 1   793K TWC IP ENABLED SERVICES, LLC 434   2024-11-03   
803-858 5   527H SOUTH CAROLINA TELECOMM GRP HOLDINGS, LLC - SC 434   2017-11-26   
803-858 8   145J TERRA NOVA TELECOM INC. 434   2025-08-31   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.