Local Calling Guide

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NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-615 4 Chester IL CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362   2004-07-02   
618-615 5 Chester IL CRDLILXEXRX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 362   2004-09-10   
618-615 6 Chester IL CRDLILXEXRX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 362   2005-09-10   
618-615 7 Chester IL CRDLILXEXRX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 362   2006-05-14   
618-615 8 Chester IL CRDLILXEXRX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 362   2006-06-11   
618-615 9 Chester IL CRDLILXEXRX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 362      
618-616 A Collinsville IL NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
618-617 A Olney IL OLNYILXEGMD  224C ONVOY, LLC 978      
618-617 0 Olney IL OLNYILXEGMD  224C ONVOY, LLC 978   2022-12-05   
618-617 1 Olney IL OLNYILXEGMD  224C ONVOY, LLC 978   2021-02-26   
618-617 2 Olney IL OLNYILXEGMD  224C ONVOY, LLC 978   2021-02-26   
618-617 3 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2023-08-18   
618-617 4 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2023-08-18   
618-617 5 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2023-08-18   
618-617 6 Olney IL OLNYILXEGMD  224C ONVOY, LLC 978   2020-02-17   
618-617 7 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2023-08-18   
618-617 8 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2023-08-18   
618-617 9 Olney IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2023-08-18   
618-618 A Dubois IL   792K CHARTER IP ENABLED SERVICES, LLC 520      
618-618 0 Dubois IL STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-618 1 Dubois IL   792K CHARTER IP ENABLED SERVICES, LLC 520   2024-05-25   
618-618 4 Dubois IL   224C ONVOY, LLC 520   2026-01-12   
618-618 6 Dubois IL   224C ONVOY, LLC 520   2026-01-12   
618-618 7 Dubois IL   224C ONVOY, LLC 520   2025-09-13   
618-618 8 Dubois IL   224C ONVOY, LLC 520   2025-09-13   
618-619 A Alton IL COVLILCQXQX  829J PAETEC ITEL, LLC 520      
618-619 0 Alton IL STLSMOWQDS2  224C ONVOY, LLC 520   2016-03-28   
618-619 1 Alton IL STLSMOWQDS2  224C ONVOY, LLC 520   2016-03-28   
618-619 2 Alton IL BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2015-10-23   
618-619 3 Alton IL COVLILCLPMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 520   2019-05-10   
618-619 4 Alton IL BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2016-02-05   
618-619 5 Alton IL COVLILCQXQX  829J PAETEC ITEL, LLC 520   2015-01-22   
618-619 6 Alton IL STLSMOWQDS2  224C ONVOY, LLC 520   2016-09-06   
618-619 7 Alton IL STLSMOWQDS2  224C ONVOY, LLC 520   2016-09-06   
618-619 8 Alton IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520   2017-08-12   
618-619 9 Alton IL STLSMOGZ6MD  073H TELNYX LLC 520   2017-06-14   
618-620 A Hamburg IL STLSMOWQDS2  224C ONVOY, LLC 520      
618-620 0 Hamburg IL STLSMOWQ8MD  073H TELNYX LLC 520   2020-10-03   
618-620 1 Hamburg IL STLSMOWQDS2  224C ONVOY, LLC 520   2020-07-25   
618-620 2 Hamburg IL STLSMOWQDS2  224C ONVOY, LLC 520   2021-04-05   
618-620 6 Hamburg IL STLSMOWQDS2  224C ONVOY, LLC 520   2021-02-11   
618-620 8 Hamburg IL STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-620 9 Hamburg IL COVLILCQXMX  495J STRATUS NETWORKS 520   2020-11-22   
618-621 A Cairo IL CRDLILXEXSX  197D VONAGE AMERICA LLC 362      
618-621 0 Cairo IL CRDLILXEXSX  197D VONAGE AMERICA LLC 362   2020-09-19   
618-621 1 Cairo IL CRDLIL13AMD  495J STRATUS NETWORKS 362   2020-12-19   
618-621 2 Cairo IL CRDLILXEX8X  224C ONVOY, LLC 362   2021-02-12   
618-621 3 Cairo IL CRDLILXEX8X  224C ONVOY, LLC 362   2021-02-12   
618-621 4 Cairo IL   516C AT&T CORP. 362   2025-10-06   
618-622 A O'Fallon IL OFLNILMQDS0  9329 ILLINOIS BELL TEL CO 520      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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