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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-373 5 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
331-373 6 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
331-373 7 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
331-373 8 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
331-373 9 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
331-385 A Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-385 0 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2017-01-06   
331-385 1 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2017-01-06   
331-385 2 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2017-01-06   
331-385 3 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2017-01-06   
331-385 4 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2017-01-06   
331-385 5 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-12-24   
331-385 6 Aurora IL CHCGIL24DS6  224C ONVOY, LLC 358   2017-03-01   
331-385 7 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-03-24   
331-385 8 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-03-24   
331-385 9 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-11-12   
331-388 A Sugar Grove IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-388 0 Sugar Grove IL CHCGILCNHMD  073H TELNYX LLC 358   2022-12-05   
331-388 1 Sugar Grove IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2023-02-11   
331-388 2 Sugar Grove IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2023-02-11   
331-388 3 Sugar Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-07-03   
331-388 4 Sugar Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-14   
331-388 7 Sugar Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2022-02-27   
331-388 8 Sugar Grove IL   965H FRACTEL, LLC 358   2021-03-26   
331-388 9 Sugar Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-09-07   
331-399 A Downers Grove IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-399 0 Downers Grove IL CHCGIL24MMD  515J IP HORIZON LLC 358   2021-06-12   
331-399 1 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2021-09-29   
331-399 2 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2021-09-29   
331-399 3 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-11-22   
331-399 4 Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-06-28   
331-399 5 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2021-09-29   
331-399 6 Downers Grove IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2021-03-27   
331-399 7 Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-14   
331-399 8 Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-11-14   
331-399 9 Downers Grove IL CHCGILWURMD  965H FRACTEL, LLC 358   2021-03-26   
331-400 A Oswego IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-400 0 Oswego IL   965H FRACTEL, LLC 358   2019-10-02   
331-400 1 Oswego IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2019-10-03   
331-400 2 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-08-12   
331-400 3 Oswego IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-11-22   
331-400 4 Oswego IL   965H FRACTEL, LLC 358   2019-10-02   
331-400 5 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-04-05   
331-400 6 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-08-12   
331-400 7 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-08-12   
331-400 8 Oswego IL CHCGIL24XMD  495J STRATUS NETWORKS 358   2020-09-26   
331-400 9 Oswego IL   515J IP HORIZON LLC 358   2021-06-26   
331-401 A Naperville IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
331-401 0 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-08-15   
331-401 1 Naperville IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2016-02-04   
331-401 2 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-01-22   
331-401 3 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2016-02-22   
331-401 4 Naperville IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-06-13   
331-401 5 Naperville IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2016-02-05   
331-401 6 Naperville IL CHCGIL24DS6  224C ONVOY, LLC 358   2017-02-13   
331-401 7 Naperville IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2017-04-13   
331-401 8 Naperville IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-09-14   
331-401 9 Naperville IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-09-14   
331-422 A Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
331-422 0 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2009-01-10   
331-422 1 Geneva IL   515J IP HORIZON LLC 358   2013-05-05   
331-422 3 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-08-27   
331-422 4 Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358   2014-04-17   
331-422 5 Geneva IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-07-22   
331-422 6 Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-10-12   
331-422 7 Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-02-27   
331-422 8 Geneva IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-09-26   
331-422 9 Geneva IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-12-28   
331-425 A Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-425 0 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-08   
331-425 1 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-08   
331-425 2 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-05-06   
331-425 3 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-05-06   
331-425 4 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-05-21   
331-425 5 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-05-21   
331-425 6 Aurora IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-05-12   
331-425 7 Aurora IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-05-12   
331-425 8 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-04-26   
331-425 9 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-08   
331-426 A Lemont IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-426 0 Lemont IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2022-10-01   
331-426 1 Lemont IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
331-426 2 Lemont IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2022-07-05   
331-426 3 Lemont IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358   2022-04-22   
331-426 4 Lemont IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
331-426 5 Lemont IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
331-426 6 Lemont IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
331-426 7 Lemont IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-08-12   
331-426 8 Lemont IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2022-11-17   
331-426 9 Lemont IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2022-11-17   
331-431 A Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-431 0 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-05-07   
331-431 1 Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-06-28   
331-431 2 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2010-07-20   
331-431 3 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2010-07-20   
331-431 4 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-07-20   
331-431 5 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-07-20   
331-431 6 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-07-20   
331-431 7 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2010-08-22   
331-431 8 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2010-10-07   

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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