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: 281 [Rate centres in NPA 281] [Dial plan for NPA 281]

NXX: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
281-571 A Satsuma TX HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-571 0 Satsuma TX HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-571 1 Satsuma TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-06-19   
281-571 2 Satsuma TX   145J TERRA NOVA TELECOM INC. 560   2022-08-03   
281-571 3 Satsuma TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-01-05   
281-571 4 Satsuma TX HSTNTXGIDS0  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
281-571 5 Satsuma TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-07-17   
281-571 6 Satsuma TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-07-17   
281-571 7 Satsuma TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-01-05   
281-571 8 Satsuma TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2003-10-25   
281-571 9 Satsuma TX HSTDTXBGBMD  5562 METROPCS, INC. 560   2013-08-14   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.