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: 855

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-855 A Bartlett IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-855 0 Bartlett IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-855 1 Bartlett IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-855 2 Bartlett IL   318J COMCAST IP PHONE, LLC 358      
630-855 3 Bartlett IL   318J COMCAST IP PHONE, LLC 358      
630-855 4 Bartlett IL   318J COMCAST IP PHONE, LLC 358      
630-855 5 Bartlett IL   318J COMCAST IP PHONE, LLC 358      
630-855 6 Bartlett IL   318J COMCAST IP PHONE, LLC 358      
630-855 7 Bartlett IL   6529 T-MOBILE USA, INC. 358   2021-08-12   
630-855 8 Bartlett IL   318J COMCAST IP PHONE, LLC 358      
630-855 9 Bartlett IL   318J COMCAST IP PHONE, LLC 358   2010-09-14   

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

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