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: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-504 A Union City TN MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468      
731-504 0 Union City TN   525E ONVOY, LLC - TN 468   2024-03-03   
731-504 1 Union City TN MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468   2012-12-26   
731-504 2 Union City TN MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468   2013-11-02   
731-504 3 Union City TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-06-10   
731-504 4 Union City TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-04-09   
731-504 5 Union City TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-04-09   
731-504 6 Union City TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-06-10   
731-504 7 Union City TN MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-06-10   
731-504 8 Union City TN MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468      
731-504 9 Union City TN MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.