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.

Skokie, IL

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
224-233 A CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
224-233 0   460K FIRST COMMUNICATIONS, LLC 358   2006-05-20   
224-233 1   460K FIRST COMMUNICATIONS, LLC 358   2006-05-20   
224-233 2   460K FIRST COMMUNICATIONS, LLC 358   2006-05-20   
224-233 3   460K FIRST COMMUNICATIONS, LLC 358   2006-05-20   
224-233 4   460K FIRST COMMUNICATIONS, LLC 358   2006-05-20   
224-233 5   460K FIRST COMMUNICATIONS, LLC 358   2006-05-20   
224-233 6   460K FIRST COMMUNICATIONS, LLC 358   2006-05-20   
224-233 7   460K FIRST COMMUNICATIONS, LLC 358   2006-05-20   
224-233 8   460K FIRST COMMUNICATIONS, LLC 358   2006-05-20   
224-233 9   460K FIRST COMMUNICATIONS, LLC 358   2006-05-20   
224-251 A SKOKILSKDS0  9329 ILLINOIS BELL TEL CO 358      
224-251 0   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2012-10-29   
224-251 1   9329 ILLINOIS BELL TEL CO 358   2012-05-29   
224-251 2   9329 ILLINOIS BELL TEL CO 358   2012-05-29   
224-251 3   9329 ILLINOIS BELL TEL CO 358   2012-05-29   
224-251 4   9329 ILLINOIS BELL TEL CO 358   2012-05-29   
224-251 5   9329 ILLINOIS BELL TEL CO 358   2012-05-29   
224-251 6   460K FIRST COMMUNICATIONS, LLC 358   2012-07-28   
224-251 7   318J COMCAST IP PHONE, LLC 358   2012-09-20   
224-251 8   318J COMCAST IP PHONE, LLC 358   2012-09-20   
224-251 9   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2012-10-29   
224-341 A RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
224-341 0   624H ONVOY SPECTRUM, LLC 358   2021-11-14   
224-341 1   515J IP HORIZON LLC 358   2021-06-13   
224-341 2   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-01-10   
224-341 4   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-11-26   
224-341 5   224C ONVOY, LLC 358   2021-11-18   
224-341 6   224C ONVOY, LLC 358   2021-11-18   
224-341 7   224C ONVOY, LLC 358   2021-11-18   
224-341 8   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2021-09-23   
224-341 9   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2021-12-03   
224-470 A CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
224-470 0   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2015-07-31   
224-470 1   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-07-02   
224-470 2   318J COMCAST IP PHONE, LLC 358   2014-10-31   
224-470 3   224C ONVOY, LLC 358   2017-06-23   
224-470 4   138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL 358   2015-04-26   
224-470 5   516C AT&T CORP. 358   2015-10-01   
224-470 6   318J COMCAST IP PHONE, LLC 358   2015-12-03   
224-470 7   224C ONVOY, LLC 358   2014-12-29   
224-470 8   224C ONVOY, LLC 358   2014-12-29   
224-470 9   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2015-01-03   
224-496 A CHCGIL24DS6  224C ONVOY, LLC 358      
224-496 0   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-08-27   
224-496 1   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-10-20   
224-496 2   224C ONVOY, LLC 358   2023-08-26   
224-496 3   224C ONVOY, LLC 358   2023-08-26   
224-496 4   224C ONVOY, LLC 358   2023-08-26   
224-496 5   224C ONVOY, LLC 358   2023-08-26   
224-496 6   224C ONVOY, LLC 358   2023-10-30   
224-496 7   624H ONVOY SPECTRUM, LLC 358   2023-11-17   
224-496 8   624H ONVOY SPECTRUM, LLC 358   2023-11-17   
224-496 9   624H ONVOY SPECTRUM, LLC 358   2023-11-17   
224-534 A CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
224-534 0   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-07-25   
224-534 1   8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2007-08-06   
224-534 2   829J PAETEC ITEL, LLC 358   2007-08-04   
224-534 3   224C ONVOY, LLC 358   2007-10-22   
224-534 4   5447 ACCESS ONE, INC. - IL 358   2008-09-22   
224-534 5   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-05-12   
224-534 6   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-05-12   
224-534 7   318J COMCAST IP PHONE, LLC 358   2008-09-26   
224-534 8   829J PAETEC ITEL, LLC 358   2008-11-23   
224-534 9   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
224-536 A CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
224-536 0   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-03-17   
224-536 1   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-11-29   
224-536 2   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-12-23   
224-536 3   516J TON80 COMMUNICATIONS, LLC 358   2022-03-16   
224-536 4   224C ONVOY, LLC 358   2022-12-11   
224-536 5   224C ONVOY, LLC 358   2022-12-11   
224-536 6   224C ONVOY, LLC 358   2022-12-11   
224-536 7   624H ONVOY SPECTRUM, LLC 358   2023-11-17   
224-536 8   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-05-05   
224-536 9   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-04-22   
224-574 A CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-29   
224-574 0   224C ONVOY, LLC 358   2024-03-29   
224-574 1   224C ONVOY, LLC 358   2024-03-29   
224-574 2   224C ONVOY, LLC 358   2024-03-29   
224-574 3   224C ONVOY, LLC 358   2024-03-29   
224-574 4   224C ONVOY, LLC 358   2024-03-29   
224-574 7   624H ONVOY SPECTRUM, LLC 358   2025-05-12   
224-574 8   624H ONVOY SPECTRUM, LLC 358   2025-05-12   
224-574 9   624H ONVOY SPECTRUM, LLC 358   2025-05-12   
224-592 A SKOKILSKDS0  9329 ILLINOIS BELL TEL CO 358      
224-592 0   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-04-18   
224-592 1   224C ONVOY, LLC 358   2009-05-14   
224-592 2   9329 ILLINOIS BELL TEL CO 358   2009-02-05   
224-592 3   9329 ILLINOIS BELL TEL CO 358   2009-02-05   
224-592 4   829J PAETEC ITEL, LLC 358   2009-11-02   
224-592 5   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-07-02   
224-592 6   224C ONVOY, LLC 358   2010-07-19   
224-592 7   224C ONVOY, LLC 358   2010-07-19   
224-592 8   224C ONVOY, LLC 358   2010-07-19   
224-592 9   224C ONVOY, LLC 358   2010-07-25   
224-601 A CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358      
224-601 0   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-28   
224-601 1   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-28   
224-601 2   9329 ILLINOIS BELL TEL CO 358   2012-10-06   

1 2 3 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.