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: GTCYVA02AMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
276-447 A Morrison City VA 3185 MOUNTAINET TELEPHONE COMPANY - VA 956      
276-447 1 Morrison City VA 3185 MOUNTAINET TELEPHONE COMPANY - VA 956   2011-09-12   
276-690 A Gate City VA 3185 MOUNTAINET TELEPHONE COMPANY - VA 956      
276-690 2 Gate City VA 3185 MOUNTAINET TELEPHONE COMPANY - VA 956   2002-04-22   
423-256 5 Church Hill TN 008A MOUNTAINET TELEPHONE COMPANY - TN 956   2004-10-08   
423-389 7 Midway (Sullivan) TN 008A MOUNTAINET TELEPHONE COMPANY - TN 956   2004-10-01   
423-578 7 Kingsport TN 008A MOUNTAINET TELEPHONE COMPANY - TN 956   2003-08-25   
423-979 8 Johnson City TN 008A MOUNTAINET TELEPHONE COMPANY - TN 956   2004-01-30   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.