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: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-997 A Schaumburg IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
630-997 2 Schaumburg IL ELGNILOTGT5  5562 METROPCS, INC. 358   2022-02-24   
630-997 4 Schaumburg IL ELGNILOTGT5  5562 METROPCS, INC. 358   2016-06-11   
630-997 7 Schaumburg IL   145J TERRA NOVA TELECOM INC. 358   2023-06-23   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.