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: 497

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-497 A Ridgely TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2024-01-15   
731-497 0 Ridgely TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-05-23   
731-497 1 Ridgely TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-05-23   
731-497 2 Ridgely TN MMPHTNMA46Z  124F BANDWIDTH.COM CLEC, LLC - TN 468   2018-06-02   
731-497 3 Ridgely TN MMPHTNMAY4X  624H ONVOY SPECTRUM, LLC 468   2023-06-09   
731-497 4 Ridgely TN MMPHTNMAYMX  506J TWILIO INTERNATIONAL, INC. 468   2021-07-31   
731-497 6 Ridgely TN MMPHTNMA45Z  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 468   2019-04-19   
731-497 7 Ridgely TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2019-06-23   
731-497 8 Ridgely TN MMPHTNMA94Z  073H TELNYX LLC 468   2019-06-02   
731-497 9 Ridgely TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2019-06-23   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.