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: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-770 A Hutsonville IL OLNYILXEHMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 978      
618-770 0 Hutsonville IL OLNYILXEQMD  6529 T-MOBILE USA, INC. 978   2024-02-04   
618-770 1 Hutsonville IL OLNYILXEQMD  6529 T-MOBILE USA, INC. 978   2024-02-04   
618-770 3 Hutsonville IL OLNYILXEQMD  5562 METROPCS, INC. 978   2021-07-16   
618-770 7 Hutsonville IL OLNYILXEGMD  224C ONVOY, LLC 978   2021-04-09   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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