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: 516

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-516 A Fairfield IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978      
618-516 0 Fairfield IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2012-04-02   
618-516 1 Fairfield IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2003-03-08   
618-516 2 Fairfield IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2003-11-11   
618-516 3 Fairfield IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2004-04-17   
618-516 4 Fairfield IL OLNYILABQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 978   2005-10-15   
618-516 5 Fairfield IL OLNYILABWMD  478J NUSO, LLC 978   2016-03-27   
618-516 6 Fairfield IL OLNYILXEFMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 978   2017-10-06   
618-516 7 Fairfield IL   5562 METROPCS, INC. 978   2026-06-20   
618-516 8 Fairfield IL OLNYILXEGMD  224C ONVOY, LLC 978   2020-03-13   
618-516 9 Fairfield IL   6529 T-MOBILE USA, INC. 978   2026-07-09   

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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