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: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-499 A Madison MS JCSNMSPSXMY  7421 AT&T - LOCAL 482      
601-499 0 Madison MS JCSOMSGVDS0  5278 TELEPAK NETWORKS, INC. - MS 482      
601-499 1 Madison MS JCSOMSGVDS0  5278 TELEPAK NETWORKS, INC. - MS 482      
601-499 2 Madison MS JCSNMS63DS1  3704 TEC OF JACKSON, INC. - MS 482      
601-499 3 Madison MS JCSNMSPSXMY  7421 AT&T - LOCAL 482      
601-499 4 Madison MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-499 5 Madison MS JCSNMSPSX4Y  992E BANDWIDTH.COM CLEC, LLC - MS 482      
601-499 6 Madison MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      
601-499 7 Madison MS   829J PAETEC ITEL, LLC 482      
601-499 8 Madison MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-499 9 Madison MS JCSNMSPSXMY  7421 AT&T - LOCAL 482      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.