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: 894

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-894 A Grafton IL STLSMOGZ00Z  490J BOOST SUBSCRIBERCO L.L.C. 520      
618-894 9 Grafton IL STLSMOGZ00Z  490J BOOST SUBSCRIBERCO L.L.C. 520   2022-12-10   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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