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: 539

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-539 A Roselle IL RSLLILRZDS0  9329 ILLINOIS BELL TEL CO 358      
630-539 0 Roselle IL   9329 ILLINOIS BELL TEL CO 358      
630-539 1 Roselle IL   9329 ILLINOIS BELL TEL CO 358      
630-539 2 Roselle IL   9329 ILLINOIS BELL TEL CO 358      
630-539 3 Roselle IL   9329 ILLINOIS BELL TEL CO 358      
630-539 4 Roselle IL   9329 ILLINOIS BELL TEL CO 358      
630-539 5 Roselle IL   9329 ILLINOIS BELL TEL CO 358      
630-539 6 Roselle IL   9329 ILLINOIS BELL TEL CO 358      
630-539 7 Roselle IL   9329 ILLINOIS BELL TEL CO 358      
630-539 8 Roselle IL   9329 ILLINOIS BELL TEL CO 358      

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.