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: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-903 A Dorchester IL STLSMOGZ00Z  490J DISH WIRELESS, LLC 520      
618-903 0 Dorchester IL STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
618-903 9 Dorchester IL STLSMOGZ00Z  490J DISH WIRELESS, LLC 520   2023-02-05   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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