Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CHCGILNEXJX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
224-804 6 Deerfield IL 318J COMCAST IP PHONE, LLC 358   2014-10-09   
224-806 2 Elgin IL 318J COMCAST IP PHONE, LLC 358   2014-01-06   
224-814 4 Round Lake IL 318J COMCAST IP PHONE, LLC 358   2014-03-17   
224-814 6 Round Lake IL 318J COMCAST IP PHONE, LLC 358   2016-08-25   
224-848 4 Barrington IL 318J COMCAST IP PHONE, LLC 358   2008-04-01   
224-856 5 Elgin IL 318J COMCAST IP PHONE, LLC 358   2007-10-14   
224-857 8 Arlington Heights IL 318J COMCAST IP PHONE, LLC 358   2017-03-23   
224-858 4 Huntley IL 318J COMCAST IP PHONE, LLC 358   2007-02-23   
224-864 2 Libertyville IL 318J COMCAST IP PHONE, LLC 358   2014-05-13   
224-864 4 Libertyville IL 318J COMCAST IP PHONE, LLC 358   2014-06-27   
224-864 7 Libertyville IL 318J COMCAST IP PHONE, LLC 358   2014-04-12   
224-880 5 Lake Forest IL 318J COMCAST IP PHONE, LLC 358   2011-11-23   
224-888 8 Cary IL 318J COMCAST IP PHONE, LLC 358   2013-12-27   
224-904 3 Northbrook IL 318J COMCAST IP PHONE, LLC 358   2016-07-13   
224-908 A Fox Lake IL 318J COMCAST IP PHONE, LLC 358      
224-908 3 Fox Lake IL 318J COMCAST IP PHONE, LLC 358   2015-04-20   
224-938 9 Des Plaines IL 318J COMCAST IP PHONE, LLC 358   2011-01-28   
224-944 0 Waukegan IL 318J COMCAST IP PHONE, LLC 358   2006-09-18   
224-985 A Park Ridge IL 318J COMCAST IP PHONE, LLC 358      
224-985 3 Park Ridge IL 318J COMCAST IP PHONE, LLC 358   2015-10-12   
224-999 7 Evanston IL 318J COMCAST IP PHONE, LLC 358   2012-07-02   
312-248 8 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2015-04-21   
312-265 0 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2006-08-12   
312-265 1 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2006-08-12   
312-291 8 Chicago Zone 01-Wabash IL 318J COMCAST IP PHONE, LLC 358   2011-06-05   
312-291 9 Chicago Zone 01-Wabash IL 318J COMCAST IP PHONE, LLC 358   2010-06-09   
312-312 2 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2018-05-04   
312-344 1 Chicago Zone 01-Wabash IL 318J COMCAST IP PHONE, LLC 358   2011-06-12   
312-366 2 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2016-04-12   
312-374 1 Chicago Zone 01-Lakeshore IL 318J COMCAST IP PHONE, LLC 358   2012-12-31   
312-374 3 Chicago Zone 01-Lakeshore IL 318J COMCAST IP PHONE, LLC 358   2012-12-31   
312-374 4 Chicago Zone 01-Lakeshore IL 318J COMCAST IP PHONE, LLC 358   2014-01-11   
312-374 8 Chicago Zone 01-Lakeshore IL 318J COMCAST IP PHONE, LLC 358   2015-01-08   
312-392 2 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2018-06-27   
312-465 2 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2011-09-17   
312-496 3 Chicago Zone 01-Canal IL 318J COMCAST IP PHONE, LLC 358   2011-01-19   
312-526 3 Chicago Zone 01-Canal IL 318J COMCAST IP PHONE, LLC 358   2008-06-08   
312-528 5 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2019-12-26   
312-579 4 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2017-10-27   
312-600 6 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2014-04-16   
312-600 9 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2012-08-31   
312-624 8 Chicago Zone 01-Canal IL 318J COMCAST IP PHONE, LLC 358   2007-08-31   
312-624 9 Chicago Zone 01-Canal IL 318J COMCAST IP PHONE, LLC 358   2007-08-31   
312-754 0 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2013-09-18   
312-763 A Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358      
312-763 2 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2014-06-26   
312-763 3 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2014-06-26   
312-763 6 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2014-06-27   
312-796 3 Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358   2016-09-17   
312-837 A Chicago Zone 01-Calumet IL 318J COMCAST IP PHONE, LLC 358      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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