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: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 712

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-712 A Thebes IL CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362      
618-712 0 Thebes IL CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362      
618-712 1 Thebes IL CRDLILXEXJX  073H TELNYX LLC 362      
618-712 2 Thebes IL CRDLILXEX8X  224C ONVOY, LLC 362      
618-712 4 Thebes IL CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362      
618-712 5 Thebes IL CRDLILXE00Z  490J DISH WIRELESS, LLC 362      
618-712 8 Thebes IL CRDLIL13AMD  495J STRATUS NETWORKS 362      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.