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.

Chicago Zone 04-Humboldt, IL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
872-255 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-09-19   
872-255 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-09-19   
872-255 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-09-19   
872-272 A CHCGIL24XMD  495J STRATUS NETWORKS 358      
872-272 0 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2020-11-07   
872-272 1 CHCGIL24XMD  495J STRATUS NETWORKS 358   2020-11-06   
872-272 2 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-21   
872-272 3 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-21   
872-272 4 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-21   
872-272 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-21   
872-272 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-21   
872-272 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-21   
872-272 8 CHCGIL245MD  073H TELNYX LLC 358   2020-11-08   
872-272 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-21   
872-274 A CHCGIL24MMD  515J IP HORIZON LLC 358      
872-274 0 CHCGILIDXEX  553J WHITESKY COMMUNICATIONS, LLC 358   2021-02-27   
872-274 1   515J IP HORIZON LLC 358   2020-11-23   
872-274 2 CHCGIL24DS6  224C ONVOY, LLC 358   2020-11-27   
872-274 3 CHCGIL24DS6  224C ONVOY, LLC 358   2020-11-27   
872-274 4 CHCGIL24DS6  224C ONVOY, LLC 358   2020-11-27   
872-274 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-03-15   
872-274 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-03-15   
872-274 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-03-15   
872-274 8 CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358   2021-08-08   
872-274 9 CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2021-10-20   
872-280 A CHCGIL24QMD  475J CALLWORKS CORPORATION 358      
872-280 0 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2023-10-25   
872-280 1 CHCGILWUKMD  939H COMMIO, LLC 358   2021-07-03   
872-280 2 CHCGILWUKMD  939H COMMIO, LLC 358   2021-07-03   
872-280 3 CHCGILWUKMD  939H COMMIO, LLC 358   2021-07-03   
872-280 4 CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2021-10-20   
872-280 5 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2021-07-11   
872-280 6 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2021-06-17   
872-280 7 CHCGILMF3MD  6529 T-MOBILE USA, INC. 358   2022-03-02   
872-280 8 CHCGILWUKMD  939H COMMIO, LLC 358   2021-07-03   
872-280 9 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2021-05-15   
872-294 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
872-294 0 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-03-10   
872-294 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2022-02-23   
872-294 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-11-25   
872-294 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-11-25   
872-294 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-11-25   
872-294 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-11-25   
872-294 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-11-25   
872-294 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-11-25   
872-294 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-11-25   
872-294 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-11-25   
872-315 A CHCGILMF3MD  6529 T-MOBILE USA, INC. 358      
872-315 0 CHCGIL24DS6  224C ONVOY, LLC 358   2015-11-25   
872-315 1 CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358   2015-11-19   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.