Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 630 [Rate centres in NPA 630] [Dial plan for NPA 630]

NXX: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-312 A Lemont IL BGBKILBKDS0  9329 AMERITECH ILLINOIS 358      
630-312 0 Lemont IL   6529 T-MOBILE USA, INC. 358   2007-09-12   
630-312 1 Lemont IL   667E SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 358   2008-04-18   
630-312 2 Lemont IL   9329 AMERITECH ILLINOIS 358   2007-03-17   
630-312 3 Lemont IL   9329 AMERITECH ILLINOIS 358   2007-03-17   
630-312 4 Lemont IL   9329 AMERITECH ILLINOIS 358   2007-03-17   
630-312 5 Lemont IL   9329 AMERITECH ILLINOIS 358   2007-03-17   
630-312 6 Lemont IL   9329 AMERITECH ILLINOIS 358   2007-03-17   
630-312 7 Lemont IL   9329 AMERITECH ILLINOIS 358   2007-03-17   
630-312 8 Lemont IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2007-05-03   
630-312 9 Lemont IL   6529 T-MOBILE USA, INC. 358   2008-05-08   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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