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.

Switch: MMPHTNMAYIX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
662-300 A Chulahoma MS 318J COMCAST IP PHONE, LLC 468      
662-850 A Byhalia MS 318J COMCAST IP PHONE, LLC 468      
662-879 A Olive Branch MS 318J COMCAST IP PHONE, LLC 468      
901-509 A Memphis TN 318J COMCAST IP PHONE, LLC 468      
901-617 A Covington TN 318J COMCAST IP PHONE, LLC 468      
901-673 A Collierville TN 318J COMCAST IP PHONE, LLC 468      
901-704 A Memphis TN 318J COMCAST IP PHONE, LLC 468      
901-907 A Memphis TN 318J COMCAST IP PHONE, LLC 468      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.