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: 923

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-923 A West Frankfort IL CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362      
618-923 0 West Frankfort IL CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362      
618-923 1 West Frankfort IL CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362      
618-923 2 West Frankfort IL CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362      
618-923 3 West Frankfort IL CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362      
618-923 4 West Frankfort IL CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362      
618-923 5 West Frankfort IL CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362      
618-923 6 West Frankfort IL CRDLILABWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362      
618-923 7 West Frankfort IL   224C ONVOY, LLC 362      
618-923 8 West Frankfort IL CRDLILXEX8X  224C ONVOY, LLC 362      
618-923 9 West Frankfort IL CRDLILXEXJX  073H TELNYX LLC 362      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.