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: 630 [Rate centres in NPA 630] [Dial plan for NPA 630]

NXX: 635

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-635 A Roselle IL RLMDILAGDS2  7421 AT&T - LOCAL 358      
630-635 0 Roselle IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
630-635 1 Roselle IL   7421 AT&T - LOCAL 358      
630-635 2 Roselle IL   318J COMCAST IP PHONE, LLC 358   2011-11-05   
630-635 3 Roselle IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
630-635 4 Roselle IL   7421 AT&T - LOCAL 358      
630-635 5 Roselle IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
630-635 6 Roselle IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
630-635 7 Roselle IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
630-635 8 Roselle IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
630-635 9 Roselle IL   7421 AT&T - LOCAL 358      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.