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: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-633 A Lemont IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
630-633 0 Lemont IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2006-03-06   
630-633 1 Lemont IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-11-19   
630-633 2 Lemont IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-633 3 Lemont IL BGBKILBKDS0  9329 ILLINOIS BELL TEL CO 358   2001-07-20   
630-633 4 Lemont IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2006-03-06   
630-633 5 Lemont IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
630-633 6 Lemont IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-11-07   
630-633 7 Lemont IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2006-03-06   
630-633 8 Lemont IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2006-03-06   
630-633 9 Lemont IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2006-03-06   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.