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

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-301 A Aurora IL ELGNILOTGT5  5562 METROPCS, INC. 358      
331-302 A Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-303 A Elburn IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-304 A Bartlett IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-305 A Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-306 A Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-307 A Lombard IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-308 A Bartlett IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-309 A Lemont IL CHCGILWUKMD  939H COMMIO, LLC 358      
331-310 A Big Rock IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-312 A Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-01-07   
331-313 A Naperville IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-314 A Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-01-20   
331-315 A Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-316 A Naperville IL CHCGILWUKMD  939H COMMIO, LLC 358   2024-03-09   
331-317 A Hinsdale IL CHCGILWUKMD  939H COMMIO, LLC 358   2024-03-10   
331-318 A Lemont IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-319 A Aurora IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-29   
331-320 A Bartlett IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-04-04   
331-321 A Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-322 A Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-04-12   
331-323 A Glen Ellyn IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-04-12   
331-324 A Yorkville IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-04   
331-325 A Lemont IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-05-24   
331-326 A Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-19   
331-327 A Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2025-01-16   
331-328 A Naperville IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-01-30   
331-329 A Aurora IL   224C ONVOY, LLC 358   2025-03-01   
331-330 A Naperville IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-332 A Naperville IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-333 A Naperville IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-334 A Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-335 A Geneva IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-07-04   
331-336 A Aurora IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-337 A Oswego IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-02-23   
331-338 A Aurora IL   624H ONVOY SPECTRUM, LLC 358   2025-03-22   
331-341 A Plano IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-343 A Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-345 A Naperville IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-348 A Elburn IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-356 A Bartlett IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-373 A Oswego IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-385 A Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-388 A Sugar Grove IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-399 A Downers Grove IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-400 A Oswego IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-401 A Naperville IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
331-422 A Geneva IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
331-425 A Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-426 A Lemont IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-431 A Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-442 A Geneva IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-444 A Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-452 A Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-454 A Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-456 A Roselle IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
331-457 A Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-462 A Lombard IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
331-465 A West Chicago IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-466 A Glen Ellyn IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-472 A Naperville IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-481 A Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-500 A Geneva IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-529 A Naperville IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-551 A Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-575 A Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-588 A Geneva IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-600 A Wheaton IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-625 A Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-627 A Lombard IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-631 A Downers Grove IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
331-642 A Elmhurst IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-643 A Aurora IL ELGNILOTGT5  5562 METROPCS, INC. 358      
331-645 A Elmhurst IL ELGNILOTGT5  5562 METROPCS, INC. 358      
331-666 A Aurora IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-684 A Aurora IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
331-688 A Naperville IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-701 A Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-702 A Naperville IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
331-703 A West Chicago IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-704 A Kaneville IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-707 A Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-716 A Wheaton IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-717 A Oswego IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-725 A Oswego IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-732 A Geneva IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-746 A Kaneville IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358      
331-757 A Lemont IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-758 A Aurora IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-771 A Geneva IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-775 A Downers Grove IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-777 A Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-788 A Geneva IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-800 A West Chicago IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-801 A Downers Grove IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
331-803 A Lemont IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
331-806 A Wheaton IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-808 A Plano IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-814 A Naperville IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
331-825 A Geneva IL   972C DIGITAL NETWORK ACCESS COMMUNICATIONS, INC. - IL 358      

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

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