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: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-607 A O'Fallon IL COVLILCQXEX  508J CENTURYLINK COMMUNICATIONS, LLC 520      
618-607 0 O'Fallon IL SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520      
618-607 1 O'Fallon IL SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520      
618-607 2 O'Fallon IL SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520      
618-607 3 O'Fallon IL SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520      
618-607 4 O'Fallon IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520      
618-607 5 O'Fallon IL   829J PAETEC ITEL, LLC 520      
618-607 6 O'Fallon IL STLSMOWQDS2  224C ONVOY, LLC 520      
618-607 7 O'Fallon IL COVLILCQXEX  508J CENTURYLINK COMMUNICATIONS, LLC 520      
618-607 8 O'Fallon IL STLSMOWQDS2  224C ONVOY, LLC 520      
618-607 9 O'Fallon IL STLSMOGZ6MD  073H TELNYX LLC 520      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.