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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-489 A Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358      
630-489 0 Lombard IL   829J PAETEC ITEL, LLC 358   2012-05-29   
630-489 1 Lombard IL   224C ONVOY, LLC 358   2013-05-26   
630-489 2 Lombard IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2012-11-26   
630-489 3 Lombard IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2012-11-26   
630-489 4 Lombard IL   224C ONVOY, LLC 358   2013-05-26   
630-489 5 Lombard IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-05-26   
630-489 6 Lombard IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2013-01-10   
630-489 7 Lombard IL   6529 T-MOBILE USA, INC. 358   2013-06-16   
630-489 8 Lombard IL   6529 T-MOBILE USA, INC. 358   2013-06-16   
630-489 9 Lombard IL   224C ONVOY, LLC 358   2010-06-20   

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

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