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: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-521 A Madison MS JCSNMSPSDS5  459H AIRUS, INC. - MS 482      
601-521 0 Madison MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      
601-521 1 Madison MS JCSNMSPSDS5  459H AIRUS, INC. - MS 482      
601-521 2 Madison MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      
601-521 3 Madison MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      
601-521 4 Madison MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      
601-521 5 Madison MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      
601-521 6 Madison MS JCSNMSCPXHY  4886 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MS 482      
601-521 7 Madison MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      
601-521 8 Madison MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      
601-521 9 Madison MS JCSNMSQBG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 482      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.