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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-666 A Collinsville IL STLSMOWQDS2  224C ONVOY, LLC 520      
618-666 0 Collinsville IL STLSMOWQDS2  224C ONVOY, LLC 520   2016-01-25   
618-666 1 Collinsville IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-09-04   
618-666 2 Collinsville IL STLTMOBOAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 520   2018-10-14   
618-666 3 Collinsville IL STLTMOBOAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 520   2018-10-14   
618-666 4 Collinsville IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520   2019-07-07   
618-666 5 Collinsville IL STLSMOGZ8MD  939H COMMIO, LLC 520   2022-12-10   
618-666 6 Collinsville IL STLSMOWQDS2  224C ONVOY, LLC 520   2015-11-23   
618-666 8 Collinsville IL STLSMOGZHMD  516J TON80 COMMUNICATIONS, LLC 520   2022-04-04   
618-666 9 Collinsville IL STLSMOGZ00Z  490J DISH WIRELESS, LLC 520   2022-08-26   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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