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.

Memphis, TN

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
901-979 0 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-01-18   
901-979 1 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-01-18   
901-979 2 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-01-18   
901-979 3 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-01-18   
901-979 4 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-01-18   
901-979 5 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-01-18   
901-979 6 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-01-18   
901-979 7 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-01-18   
901-979 8 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-01-18   
901-979 9 MMPHTNMA38Z  525E ONVOY, LLC - TN 468   2016-01-18   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.