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Springfield, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-993 A SPFDILESXMX  114J EXIANT COMMUNICATIONS LLC 374      
217-993 0 SPFDILESDS2  9329 ILLINOIS BELL TEL CO 374   2013-07-11   
217-993 1 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2013-12-01   
217-993 2 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2013-12-15   
217-993 3 SPFDILESXMX  114J EXIANT COMMUNICATIONS LLC 374   2018-04-05   
217-993 4 SPFDILFAGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2015-09-11   
217-993 5 SPFDILSDX2X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374   2015-05-22   
217-993 6 SPFDILSDX2X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374   2014-02-03   
217-993 7 SPFDILSDX2X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374   2007-08-06   
217-993 8 SPFDILES7MD  224C ONVOY, LLC 374   2014-12-29   
217-993 9 SPFDILES7MD  224C ONVOY, LLC 374   2014-12-29   
447-202 A SPFDILESX1Y  515J IP HORIZON LLC 374      
447-202 0 SPFDILES7MD  224C ONVOY, LLC 374   2024-02-24   
447-202 1   515J IP HORIZON LLC 374   2021-04-24   
447-202 2 SPFDILESXQX  624H ONVOY SPECTRUM, LLC 374   2021-11-15   
447-202 3 SPFDILESXQX  624H ONVOY SPECTRUM, LLC 374   2021-11-15   
447-202 4 SPFDILESXQX  624H ONVOY SPECTRUM, LLC 374   2021-11-15   
447-202 5 SPFDILESXQX  624H ONVOY SPECTRUM, LLC 374   2021-11-15   
447-202 6 SPFDILESXQX  624H ONVOY SPECTRUM, LLC 374   2021-11-15   
447-202 8 SPFDILES7MD  224C ONVOY, LLC 374   2024-02-24   
447-202 9 SPFDILES7MD  224C ONVOY, LLC 374   2024-02-24   
447-209 A SPFDILGI7MD  478J NUSO, LLC 374   2025-01-14   
447-209 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2025-03-04   
447-209 1 SPFDILGI7MD  478J NUSO, LLC 374   2025-01-14   
447-209 8   224C ONVOY, LLC 374   2026-02-26   
447-226 A SPFDILESX8Y  490J BOOST SUBSCRIBERCO L.L.C. 374      
447-226 0 SPFDILES7MD  224C ONVOY, LLC 374   2024-02-24   
447-226 1 SPFDILES7MD  224C ONVOY, LLC 374   2024-02-24   
447-226 5   197D VONAGE AMERICA LLC 374   2025-10-16   
447-226 6   490J BOOST SUBSCRIBERCO L.L.C. 374   2025-03-29   
447-226 7   490J BOOST SUBSCRIBERCO L.L.C. 374   2025-08-25   
447-226 8 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2024-09-06   
447-226 9 SPFDILESX8Y  490J BOOST SUBSCRIBERCO L.L.C. 374   2022-02-14   
447-239 A SPFDILGI6MD  829J PAETEC ITEL, LLC 374   2024-12-10   
447-239 1 SPFDILGI6MD  829J PAETEC ITEL, LLC 374   2022-10-23   
447-239 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2025-04-28   
447-239 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 374   2025-04-28   
447-283 A SPFDILGI4MD  475J CALLWORKS CORPORATION 374   2024-02-08   
447-283 1 SPFDILGI4MD  475J CALLWORKS CORPORATION 374   2024-02-08   
447-299 A SPFDILESXFY  616J LEAP TELECOM, LLC 374   2024-11-21   
447-299 0 SPFDILESXFY  616J LEAP TELECOM, LLC 374   2024-11-21   
447-310 A   984E BANDWIDTH.COM CLEC, LLC - IL 374   2025-07-07   
447-310 0   984E BANDWIDTH.COM CLEC, LLC - IL 374   2025-07-07   
447-319 A   700J WAVENATION, LLC 374   2025-09-18   
447-319 0   700J WAVENATION, LLC 374   2025-09-18   
447-417 A SPFDILESX3Y  506J TWILIO INTERNATIONAL, INC. 374      
447-417 4 SPFDILESX3Y  506J TWILIO INTERNATIONAL, INC. 374   2022-04-16   
447-448 A SPFDILESXZX  321J HD CARRIER LLC 374      
447-448 0 SPFDILESXWX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 374   2023-10-20   
447-448 1 SPFDILES7MD  224C ONVOY, LLC 374   2021-04-12   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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