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.

NPA: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-257 A El Campo TX   6701 AERIAL COMMUNICATIONS, INC. 560      
979-257 0 El Campo TX HSTDTXBG5MD  5562 METROPCS, INC. 560   2004-02-09   
979-257 1 El Campo TX HSTDTXBG5MD  5562 METROPCS, INC. 560   2012-05-28   
979-257 2 El Campo TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2004-12-14   
979-257 3 El Campo TX HSTDTXBG5MD  5562 METROPCS, INC. 560   2007-11-17   
979-257 4 El Campo TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2007-03-28   
979-257 5 El Campo TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2006-09-28   
979-257 6 El Campo TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2005-04-14   
979-257 7 El Campo TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2004-04-05   
979-257 8 El Campo TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
979-257 9 El Campo TX   6701 AERIAL COMMUNICATIONS, INC. 560      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.