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: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-570 A Hinsdale IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
630-570 0 Hinsdale IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-16   
630-570 1 Hinsdale IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-03-25   
630-570 2 Hinsdale IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2006-06-05   
630-570 3 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358   2002-10-08   
630-570 4 Hinsdale IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2000-11-02   
630-570 5 Hinsdale IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
630-570 6 Hinsdale IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
630-570 7 Hinsdale IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2001-08-15   
630-570 8 Hinsdale IL HNDLILHIDS0  9329 ILLINOIS BELL TEL CO 358   2002-10-08   
630-570 9 Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358   2008-09-11   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.