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.

Switch: FRBGTXXAVMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
830-733 A Fredericksburg TX 1997 WINDSTREAM COMMUNICATIONS TELECOM, L.P. - TX 566      
830-733 1 Fredericksburg TX 1997 WINDSTREAM COMMUNICATIONS TELECOM, L.P. - TX 566   2005-11-03   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.