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: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-243 A Lemont IL LEMTILLEDS0  9329 AMERITECH ILLINOIS 358      
630-243 0 Lemont IL   9329 AMERITECH ILLINOIS 358      
630-243 1 Lemont IL   9329 AMERITECH ILLINOIS 358      
630-243 2 Lemont IL   9329 AMERITECH ILLINOIS 358      
630-243 3 Lemont IL   9329 AMERITECH ILLINOIS 358      
630-243 4 Lemont IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2003-01-11   
630-243 5 Lemont IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-02-04   
630-243 6 Lemont IL   9329 AMERITECH ILLINOIS 358      
630-243 7 Lemont IL   9329 AMERITECH ILLINOIS 358      
630-243 8 Lemont IL   9329 AMERITECH ILLINOIS 358      
630-243 9 Lemont IL   9329 AMERITECH ILLINOIS 358      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.