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: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 799

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-799 A Decatur TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-799 0 Decatur TX DLLTTX01GMD  6529 T-MOBILE USA, INC. 552   2023-11-10   
940-799 1 Decatur TX DLLTTX01CMD  5562 METROPCS, INC. 552   2008-02-24   
940-799 2 Decatur TX DLLTTX01GMD  6529 T-MOBILE USA, INC. 552   2023-11-10   
940-799 3 Decatur TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-799 5 Decatur TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-08-06   
940-799 6 Decatur TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-11-05   
940-799 7 Decatur TX DLLTTX01CMD  5562 METROPCS, INC. 552   2007-03-15   
940-799 8 Decatur TX ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2015-10-15   
940-799 9 Decatur TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.