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: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
901-421 A Memphis TN MMPHTNELDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 468      
901-421 0 Memphis TN MMPJTNEW1MD  7474 POWERTEL MEMPHIS LICENSES, INC. 468      
901-421 1 Memphis TN MMPJTNEW1MD  7474 POWERTEL MEMPHIS LICENSES, INC. 468      
901-421 2 Memphis TN MMPHTNELDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 468      
901-421 3 Memphis TN MMPHTNELDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 468      
901-421 4 Memphis TN MMPHTNELDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 468      
901-421 5 Memphis TN MMPHTNMAYIX  318J COMCAST IP PHONE, LLC 468      
901-421 6 Memphis TN MMPHTNMAYIX  318J COMCAST IP PHONE, LLC 468      
901-421 7 Memphis TN MMPHTNELDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 468      
901-421 8 Memphis TN MMPHTNMA81Z  516C AT&T CORP. 468      
901-421 9 Memphis TN CRVLTNAOGT1  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 468      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.