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: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-328 A Naperville IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-328 0 Naperville IL CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358      
630-328 1 Naperville IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-328 2 Naperville IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-328 3 Naperville IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
630-328 4 Naperville IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-328 5 Naperville IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-328 6 Naperville IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
630-328 7 Naperville IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-328 8 Naperville IL   829J PAETEC ITEL, LLC 358      
630-328 9 Naperville IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.