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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
331-867 5 Yorkville IL   965H FRACTEL, LLC 358   2020-09-11   
331-867 6 Yorkville IL   224C ONVOY, LLC 358   2020-09-12   
331-867 7 Yorkville IL   224C ONVOY, LLC 358   2020-10-15   
331-867 8 Yorkville IL   224C ONVOY, LLC 358   2020-09-12   
331-867 9 Yorkville IL   224C ONVOY, LLC 358   2020-10-15   
331-871 A West Chicago IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-871 0 West Chicago IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-07-16   
331-871 1 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-09-22   
331-871 2 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-12-06   
331-871 3 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-12-06   
331-871 4 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-04-28   
331-871 5 West Chicago IL   318J COMCAST IP PHONE, LLC 358   2017-01-22   
331-871 6 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-04-28   
331-871 7 West Chicago IL   224C ONVOY, LLC 358   2016-04-14   
331-871 8 West Chicago IL   224C ONVOY, LLC 358   2016-04-14   
331-871 9 West Chicago IL   073H TELNYX LLC 358   2017-04-24   
331-888 A Warrenville IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
331-888 0 Warrenville IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
331-888 1 Warrenville IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
331-888 2 Warrenville IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-10   
331-888 3 Warrenville IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-10   
331-888 5 Warrenville IL   224C ONVOY, LLC 358   2016-03-14   
331-888 6 Warrenville IL   224C ONVOY, LLC 358   2016-03-14   
331-888 7 Warrenville IL   224C ONVOY, LLC 358   2016-05-01   
331-888 8 Warrenville IL   224C ONVOY, LLC 358   2016-05-01   
331-888 9 Warrenville IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2015-06-05   
331-899 A Lombard IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-899 0 Lombard IL   515J IP HORIZON LLC 358   2021-06-14   
331-899 1 Lombard IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2021-08-17   
331-899 2 Lombard IL   224C ONVOY, LLC 358   2021-03-01   
331-899 3 Lombard IL   224C ONVOY, LLC 358   2021-03-01   
331-899 4 Lombard IL   224C ONVOY, LLC 358   2021-03-01   
331-899 5 Lombard IL   224C ONVOY, LLC 358   2021-03-01   
331-899 6 Lombard IL   224C ONVOY, LLC 358   2021-03-01   
331-899 7 Lombard IL   224C ONVOY, LLC 358   2021-03-01   
331-899 8 Lombard IL   224C ONVOY, LLC 358   2021-03-01   
331-899 9 Lombard IL   965H FRACTEL, LLC 358   2021-02-19   
331-900 A Elmhurst IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-900 0 Elmhurst IL   965H FRACTEL, LLC 358   2019-10-01   
331-900 1 Elmhurst IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-07-01   
331-900 2 Elmhurst IL   515J IP HORIZON LLC 358   2021-06-14   
331-900 3 Elmhurst IL   224C ONVOY, LLC 358   2019-10-04   
331-900 4 Elmhurst IL   224C ONVOY, LLC 358   2019-10-04   
331-900 5 Elmhurst IL   224C ONVOY, LLC 358   2019-10-04   
331-900 6 Elmhurst IL   624H ONVOY SPECTRUM, LLC 358   2021-06-28   
331-900 7 Elmhurst IL   073H TELNYX LLC 358   2021-08-02   
331-900 8 Elmhurst IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-09-25   
331-900 9 Elmhurst IL   965H FRACTEL, LLC 358   2019-10-01   
331-901 A Geneva IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-901 0 Geneva IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-06-21   
331-901 1 Geneva IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-08-20   
331-901 2 Geneva IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-08-20   
331-901 3 Geneva IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-04-28   
331-901 4 Geneva IL   224C ONVOY, LLC 358   2016-02-29   
331-901 5 Geneva IL   318J COMCAST IP PHONE, LLC 358   2015-10-19   
331-901 6 Geneva IL   224C ONVOY, LLC 358   2016-02-29   
331-901 7 Geneva IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-11-13   
331-901 8 Geneva IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-07-23   
331-901 9 Geneva IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-07-23   
331-903 A Downers Grove IL CHCGILCLXOX  516C AT&T CORP. 358      
331-903 0 Downers Grove IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-09-22   
331-903 1 Downers Grove IL   460K FIRST COMMUNICATIONS, LLC 358   2016-06-25   
331-903 2 Downers Grove IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-09-09   
331-903 3 Downers Grove IL   318J COMCAST IP PHONE, LLC 358   2015-07-04   
331-903 4 Downers Grove IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2015-08-07   
331-903 5 Downers Grove IL   516C AT&T CORP. 358   2014-06-14   
331-903 6 Downers Grove IL   318J COMCAST IP PHONE, LLC 358   2014-10-07   
331-903 7 Downers Grove IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-11-22   
331-903 8 Downers Grove IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-11-22   
331-903 9 Downers Grove IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-07-25   
331-946 A Glen Ellyn IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-946 0 Glen Ellyn IL   495J STRATUS NETWORKS 358   2020-10-02   
331-946 1 Glen Ellyn IL   224C ONVOY, LLC 358   2023-07-03   
331-946 2 Glen Ellyn IL   624H ONVOY SPECTRUM, LLC 358   2021-06-28   
331-946 3 Glen Ellyn IL   965H FRACTEL, LLC 358   2020-09-11   
331-946 5 Glen Ellyn IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-12-14   
331-946 6 Glen Ellyn IL   224C ONVOY, LLC 358   2020-09-12   
331-946 7 Glen Ellyn IL   224C ONVOY, LLC 358   2020-10-15   
331-946 8 Glen Ellyn IL   224C ONVOY, LLC 358   2020-10-15   
331-946 9 Glen Ellyn IL   224C ONVOY, LLC 358   2020-09-12   
331-979 A Elmhurst IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-979 0 Elmhurst IL   318J COMCAST IP PHONE, LLC 358   2015-04-17   
331-979 1 Elmhurst IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-07-09   
331-979 2 Elmhurst IL   318J COMCAST IP PHONE, LLC 358   2015-04-17   
331-979 3 Elmhurst IL   224C ONVOY, LLC 358   2016-02-15   
331-979 4 Elmhurst IL   224C ONVOY, LLC 358   2016-02-15   
331-979 5 Elmhurst IL   224C ONVOY, LLC 358   2016-02-15   
331-979 6 Elmhurst IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-07-16   
331-979 7 Elmhurst IL   318J COMCAST IP PHONE, LLC 358   2016-04-07   
331-979 8 Elmhurst IL   515J IP HORIZON LLC 358   2016-08-09   
331-979 9 Elmhurst IL   224C ONVOY, LLC 358   2015-12-12   
331-980 A Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-980 0 Aurora IL   6529 T-MOBILE USA, INC. 358   2015-08-14   
331-980 1 Aurora IL   6529 T-MOBILE USA, INC. 358   2015-08-14   
331-980 2 Aurora IL   6529 T-MOBILE USA, INC. 358   2015-04-20   
331-980 3 Aurora IL   6529 T-MOBILE USA, INC. 358   2015-04-20   
331-980 4 Aurora IL   6529 T-MOBILE USA, INC. 358   2015-04-20   
331-980 5 Aurora IL   6529 T-MOBILE USA, INC. 358   2015-04-20   
331-980 6 Aurora IL   6529 T-MOBILE USA, INC. 358   2015-04-20   
331-980 7 Aurora IL   6529 T-MOBILE USA, INC. 358   2014-12-08   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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