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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-500 A Jackson MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      
601-500 0 Jackson MS   6581 CELLULAR SOUTH, INC. 482   2006-09-09   
601-500 1 Jackson MS   6581 CELLULAR SOUTH, INC. 482   2006-09-09   
601-500 2 Jackson MS   6581 CELLULAR SOUTH, INC. 482   2006-09-09   
601-500 3 Jackson MS   5562 METROPCS, INC. 482   2007-12-12   
601-500 4 Jackson MS   5562 METROPCS, INC. 482   2007-12-12   
601-500 5 Jackson MS   5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482   2007-06-03   
601-500 6 Jackson MS   5562 METROPCS, INC. 482   2015-03-27   
601-500 7 Jackson MS   5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482   2006-10-20   
601-500 8 Jackson MS   5562 METROPCS, INC. 482   2007-12-12   
601-500 9 Jackson MS   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482   2006-04-29   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.