Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 733

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-733 A Carterville IL CRDLIL310MD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 362      
618-733 0 Carterville IL   495J STRATUS NETWORKS 362   2020-12-19   
618-733 1 Carterville IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 362   2019-11-10   
618-733 2 Carterville IL   224C ONVOY, LLC 362   2023-04-16   
618-733 3 Carterville IL   224C ONVOY, LLC 362   2018-10-01   
618-733 4 Carterville IL   5562 METROPCS, INC. 362   2022-09-19   
618-733 5 Carterville IL   224C ONVOY, LLC 362   2021-02-12   
618-733 6 Carterville IL   224C ONVOY, LLC 362   2021-02-12   
618-733 7 Carterville IL   624H ONVOY SPECTRUM, LLC 362   2023-06-30   
618-733 8 Carterville IL   073H TELNYX LLC 362   2020-06-22   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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