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: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-578 A Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-578 0 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-578 1 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-578 2 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-578 3 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-578 4 Geneva IL   145J TERRA NOVA TELECOM INC. 358      
630-578 5 Geneva IL CHCGILWUSMD  145J TERRA NOVA TELECOM INC. 358      
630-578 6 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-578 7 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-578 8 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-578 9 Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.