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: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-747 A Burnet TX AUSWTXGX0MD  5562 METROPCS, INC. 558      
737-747 0 Burnet TX AUSWTXGX0MD  5562 METROPCS, INC. 558   2016-07-15   
737-747 2 Burnet TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2016-09-15   
737-747 3 Burnet TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2016-09-15   
737-747 4 Burnet TX AUSTTXGRX3Y  073H TELNYX LLC 558   2017-03-22   
737-747 5 Burnet TX AUSTTXGR46Z  158H INVOXIO INCORPORATED 558   2018-07-23   
737-747 6 Burnet TX AUSTTXGR09Z  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2018-11-09   
737-747 7 Burnet TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2018-03-23   
737-747 8 Burnet TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2017-09-28   
737-747 9 Burnet TX AUSWTXGX0MD  5562 METROPCS, INC. 558   2016-07-15   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.