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: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-447 A Collinsville IL STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
618-447 0 Collinsville IL   6529 T-MOBILE USA, INC. 520   2005-03-20   
618-447 1 Collinsville IL   6529 T-MOBILE USA, INC. 520   2005-03-20   
618-447 2 Collinsville IL   6529 T-MOBILE USA, INC. 520   2005-03-20   
618-447 3 Collinsville IL   6529 T-MOBILE USA, INC. 520   2005-03-20   
618-447 4 Collinsville IL   6529 T-MOBILE USA, INC. 520   2005-03-20   
618-447 5 Collinsville IL   6529 T-MOBILE USA, INC. 520   2005-03-20   
618-447 6 Collinsville IL   6529 T-MOBILE USA, INC. 520   2005-03-20   
618-447 7 Collinsville IL   6529 T-MOBILE USA, INC. 520   2005-03-20   
618-447 8 Collinsville IL   6529 T-MOBILE USA, INC. 520   2005-03-20   
618-447 9 Collinsville IL   6529 T-MOBILE USA, INC. 520   2005-03-20   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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