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: 603

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-603 A Benton IL CRDLILXEXRX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 362      
618-603 0 Benton IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 362   2013-04-11   
618-603 1 Benton IL   248J FUTIVA, LLC - IL 362   2018-11-09   
618-603 2 Benton IL   224C ONVOY, LLC 362   2019-09-07   
618-603 3 Benton IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 362   2018-06-01   
618-603 4 Benton IL   224C ONVOY, LLC 362   2018-10-01   
618-603 5 Benton IL   624H ONVOY SPECTRUM, LLC 362   2023-06-30   
618-603 6 Benton IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 362   2015-06-19   
618-603 7 Benton IL   224C ONVOY, LLC 362   2021-04-23   
618-603 8 Benton IL   224C ONVOY, LLC 362   2021-04-23   
618-603 9 Benton IL   073H TELNYX LLC 362   2020-06-12   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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