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: 601 [Rate centres in NPA 601] [Dial plan for NPA 601]

NXX: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-607 A Madison MS MDSNMSESDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-607 0 Madison MS JCSNMSCPXMZ  719E ONVOY, LLC - MS 482   2016-04-15   
601-607 1 Madison MS MDSNMSESDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482   2009-06-19   
601-607 2 Madison MS TUPLMSCGAMD  4724 DIXIE NET COMMUNICATIONS, LLC 482   2006-12-31   
601-607 3 Madison MS MDSNMSESDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-607 4 Madison MS MDSNMSESDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-607 5 Madison MS JCSNMSCP70Z  506J TWILIO INTERNATIONAL, INC. 482   2021-07-12   
601-607 6 Madison MS MDSNMSESDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-607 7 Madison MS MDSNMSESDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-607 8 Madison MS MDSNMSESDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-607 9 Madison MS JCSNMSCPXMZ  719E ONVOY, LLC - MS 482   2016-07-17   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.