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: 901 [Rate centres in NPA 901] [Dial plan for NPA 901]

NXX: 473

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
901-473 A Memphis TN MMPHTN32DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468      
901-473 0 Memphis TN MMPHTN32DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468      
901-473 1 Memphis TN MMPHTN32DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468      
901-473 2 Memphis TN MMPHTN32DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468      
901-473 3 Memphis TN MMPHTN32DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468      
901-473 4 Memphis TN MMPHTN32DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468      
901-473 5 Memphis TN MMPHTNMA45Z  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 468   2008-07-28   
901-473 6 Memphis TN MMPHTN32DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468      
901-473 7 Memphis TN MMPHTNMA45Z  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 468   2009-03-08   
901-473 8 Memphis TN MMPHTN32DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468      
901-473 9 Memphis TN MMPHTN32DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 468      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.