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: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
901-623 A Memphis TN MMPJTNJUBMD  8356 US LEC OF TENNESSEE, INC. 468      
901-623 0 Memphis TN MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468   2016-05-17   
901-623 1 Memphis TN MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468   2016-05-17   
901-623 2 Memphis TN MMPJTNJUBMD  8356 US LEC OF TENNESSEE, INC. 468   2016-05-16   
901-623 3 Memphis TN MMPHTNMA81Z  516C AT&T CORP. 468   2016-06-09   
901-623 4 Memphis TN MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468   2016-06-24   
901-623 5 Memphis TN MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468   2016-06-24   
901-623 6 Memphis TN MMPHTN32X5X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 468   2016-06-24   
901-623 7 Memphis TN MMPHTNMAYIX  318J COMCAST IP PHONE, LLC 468   2016-07-01   
901-623 8 Memphis TN MMPHTNMA46Z  124F BANDWIDTH.COM CLEC, LLC - TN 468   2016-07-11   
901-623 9 Memphis TN MMPHTNMA46Z  124F BANDWIDTH.COM CLEC, LLC - TN 468   2016-07-11   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.