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: 254 [Rate centres in NPA 254] [Dial plan for NPA 254]

NXX: 572

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-572 A Strawn TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
254-572 0 Strawn TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
254-572 1 Strawn TX DLLSTXAL0MD  515J IP HORIZON LLC 552   2024-01-04   
254-572 2 Strawn TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2023-05-31   
254-572 3 Strawn TX   145J TERRA NOVA TELECOM INC. 552   2021-11-04   
254-572 5 Strawn TX DLLSTX97TMD  939H COMMIO, LLC 552   2021-11-18   
254-572 6 Strawn TX DLLSTX97TMD  939H COMMIO, LLC 552   2021-11-18   
254-572 7 Strawn TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-27   
254-572 8 Strawn TX DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-27   
254-572 9 Strawn TX DLLSTX97X6X  145J TERRA NOVA TELECOM INC. 552   2023-04-26   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.