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: 552

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-552 A Sandoval IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520      
618-552 0 Sandoval IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520   2020-06-20   
618-552 1 Sandoval IL STLSMOWQ8MD  073H TELNYX LLC 520   2020-07-19   
618-552 2 Sandoval IL COVLILCQXMX  495J STRATUS NETWORKS 520   2020-11-26   
618-552 3 Sandoval IL STLSMOWQDS2  224C ONVOY, LLC 520   2021-02-26   
618-552 4 Sandoval IL STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-552 8 Sandoval IL STLSMOWQDS2  224C ONVOY, LLC 520   2020-06-22   
618-552 9 Sandoval IL STLSMOWQDS2  224C ONVOY, LLC 520   2020-06-22   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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