Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
224-332 6 Lake Forest IL OKBRILOAXEX  358   2020-06-08   
224-332 7 Lake Forest IL OKBRILOAXEX  358   2020-06-08   
224-332 8 Lake Forest IL OKBRILOAXEX  358   2020-06-08   
224-332 9 Lake Forest IL OKBRILOAXEX  358   2020-06-08   
224-352 5 Wheeling IL OKBRILOAXEX  358   2017-06-26   
224-422 1 Des Plaines IL CHCGIL24DS0  358   2007-02-06   
224-422 5 Des Plaines IL CHCGIL24DS0  358   2007-02-06   
224-438 A Lake Zurich IL OKBRILOAXEX  358   2021-12-27   
224-438 2 Lake Zurich IL OKBRILOAXEX  358   2021-12-27   
224-438 3 Lake Zurich IL OKBRILOAXEX  358   2021-12-27   
224-438 4 Lake Zurich IL OKBRILOAXEX  358   2021-12-27   
224-438 5 Lake Zurich IL OKBRILOAXEX  358   2021-12-27   
224-438 6 Lake Zurich IL OKBRILOAXEX  358   2021-12-27   
224-439 A Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-439 0 Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-439 1 Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-439 2 Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-439 3 Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-439 4 Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-439 5 Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-439 6 Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-439 7 Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-439 8 Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-439 9 Waukegan IL OKBRILOAXEX  358   2022-01-17   
224-510 A Wheeling IL RLMDILAGDS4  358      
224-510 0 Wheeling IL   358   2015-03-06   
224-510 1 Wheeling IL   358   2015-03-06   
224-510 2 Wheeling IL   358   2015-03-06   
224-510 3 Wheeling IL   358   2015-03-06   
224-510 4 Wheeling IL   358   2015-03-06   
224-510 5 Wheeling IL   358   2015-03-06   
224-510 6 Wheeling IL   358   2015-03-06   
224-510 7 Wheeling IL   358   2015-03-06   
224-510 8 Wheeling IL   358   2015-03-06   
224-510 9 Wheeling IL   358   2015-03-06   
224-516 2 Lake Forest IL OKBRILOAXEX  358   2019-12-12   
224-516 4 Lake Forest IL OKBRILOAXEX  358   2016-06-16   
224-516 6 Lake Forest IL OKBRILOAXEX  358   2019-09-12   
224-531 6 Des Plaines IL CHCGILCGDS1  358   2009-09-28   
224-539 A Palatine IL RLMDILAGDS4  358      
224-539 3 Palatine IL RLMDILAGDS4  358   2016-07-01   
224-539 4 Palatine IL OKBRILOAXEX  358   2016-10-10   
224-539 9 Palatine IL RLMDILAGDS4  358   2016-06-30   
224-544 2 Lake Forest IL OKBRILOAXEX  358   2021-03-12   
224-554 A Deerfield IL RLMDILAGDS4  358      
224-554 1 Deerfield IL RLMDILAGDS4  358   2006-07-10   
224-554 2 Deerfield IL RLMDILAGDS4  358   2006-07-10   
224-554 3 Deerfield IL RLMDILAGDS4  358   2006-07-10   
224-554 4 Deerfield IL RLMDILAGDS4  358   2006-07-10   
224-554 5 Deerfield IL RLMDILAGDS4  358   2006-07-10   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.