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: 745

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-745 A Mounds IL MNDSILAARS0  9329 ILLINOIS BELL TEL CO 362      
618-745 0 Mounds IL CRDLILXEX7X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 362      
618-745 1 Mounds IL CRDLIL13AMD  495J STRATUS NETWORKS 362      
618-745 2 Mounds IL CRDLILXEX8X  224C ONVOY, LLC 362      
618-745 5 Mounds IL HRBGILCBDS0  9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 362      
618-745 6 Mounds IL MNDSILAARS0  9329 ILLINOIS BELL TEL CO 362      
618-745 7 Mounds IL CRDLILXEXYX  624H ONVOY SPECTRUM, LLC 362      
618-745 9 Mounds IL MNDSILAARS0  9329 ILLINOIS BELL TEL CO 362      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.