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: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-457 A Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-457 0 Geneva IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
630-457 1 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-457 2 Geneva IL   460K FIRST COMMUNICATIONS, LLC 358      
630-457 3 Geneva IL   829J PAETEC ITEL, LLC 358      
630-457 4 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-457 5 Geneva IL CHCGILCLXOX  516C AT&T CORP. 358      
630-457 6 Geneva IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
630-457 7 Geneva IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
630-457 8 Geneva IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
630-457 9 Geneva IL   593K MCC TELEPHONY LLC 358      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.