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: 731 [Rate centres in NPA 731] [Dial plan for NPA 731]

NXX: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-903 A Halls TN MMPKTNVZ5MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 468      
731-903 0 Halls TN MMPHTNMA46Z  124F BANDWIDTH.COM CLEC, LLC - TN 468   2008-11-28   
731-903 1 Halls TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2020-06-19   
731-903 2 Halls TN   145J TERRA NOVA TELECOM INC. 468   2020-05-12   
731-903 3 Halls TN MMPHTNMA71Z  720G TIME WARNER CABLE INFORMATION SVCS (TENNESSEE), TN 468   2012-08-11   
731-903 4 Halls TN MMPKTNVZ5MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 468   2004-12-20   
731-903 5 Halls TN MMPHTNMA81Z  516C AT&T CORP. 468   2011-05-11   
731-903 6 Halls TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2020-07-15   
731-903 7 Halls TN MMPHTNMA46Z  124F BANDWIDTH.COM CLEC, LLC - TN 468   2014-04-07   
731-903 8 Halls TN MMPHTNMA82Z  508J CENTURYLINK COMMUNICATIONS, LLC 468   2014-05-02   
731-903 9 Halls TN MMPHTNMA94Z  073H TELNYX LLC 468   2019-06-02   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.