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: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-851 A Toomsuba MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-851 0 Toomsuba MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-851 1 Toomsuba MS JCSNMSPSX4Y  992E BANDWIDTH.COM CLEC, LLC - MS 482      
601-851 2 Toomsuba MS JCSNMSCPXMZ  719E ONVOY, LLC - MS 482      
601-851 3 Toomsuba MS JCSNMSCPXMZ  719E ONVOY, LLC - MS 482      
601-851 4 Toomsuba MS   145J TERRA NOVA TELECOM INC. 482      
601-851 5 Toomsuba MS JCSNMSPSXBY  516C AT&T CORP. 482      
601-851 6 Toomsuba MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      
601-851 7 Toomsuba MS JCSNMSCP41Z  508J CENTURYLINK COMMUNICATIONS, LLC 482      
601-851 8 Toomsuba MS JCSNMSCPXMZ  719E ONVOY, LLC - MS 482      
601-851 9 Toomsuba MS JCSNMSCPXMZ  719E ONVOY, LLC - MS 482      

Last updated: Wed, 25 Dec 2024 15:55:27 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.