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NPA: 557 [Rate centres in NPA 557] [Dial plan for NPA 557]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
557-200 A Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
557-200 0 Ladue MO STLSMOWQ8MD  073H TELNYX LLC 520   2022-10-10   
557-200 1 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-12-02   
557-200 2 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-12-02   
557-200 3 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-12-11   
557-200 4 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-12-11   
557-200 5 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-07-18   
557-200 6 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-12-11   
557-200 7 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-10-09   
557-200 8 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-10-09   
557-200 9 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-11-22   
557-201 A Kirkwood MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
557-201 0 Kirkwood MO STLSMOWQ8MD  073H TELNYX LLC 520   2023-06-23   
557-201 1 Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-10   
557-201 2 Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-06-12   
557-201 3 Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-06-12   
557-201 4 Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-10   
557-201 5 Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-10-23   
557-201 6 Kirkwood MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-05-29   
557-201 7 Kirkwood MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-05-29   
557-201 8 Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-09-30   
557-201 9 Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-10-23   
557-202 A St Louis MO STLSMO05XWX  318J COMCAST IP PHONE, LLC 520      
557-202 0 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-10-22   
557-202 1 St Louis MO STLSMO05XWX  318J COMCAST IP PHONE, LLC 520   2023-05-26   
557-202 2 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-04-02   
557-202 3 St Louis MO STLSMO05XLX  093F ONVOY, LLC - MO 520   2023-07-12   
557-202 4 St Louis MO STLSMO05XLX  093F ONVOY, LLC - MO 520   2023-07-12   
557-202 5 St Louis MO STLSMO05XLX  093F ONVOY, LLC - MO 520   2023-07-12   
557-202 6 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-03-09   
557-202 7 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-03-09   
557-202 8 St Louis MO STLSMOGZLMD  490J DISH WIRELESS, LLC 520   2023-08-31   
557-202 9 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-03   
557-203 A Mehlville MO STLVMOOH6MD  5562 METROPCS, INC. 520      
557-203 0 Mehlville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-10   
557-203 1 Mehlville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-10   
557-203 2 Mehlville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-07-09   
557-203 3 Mehlville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-07-09   
557-203 4 Mehlville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-07-09   
557-203 5 Mehlville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-10   
557-203 6 Mehlville MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-09-04   
557-203 7 Mehlville MO   6529 T-MOBILE USA, INC. 520   2025-05-30   
557-203 8 Mehlville MO STLVMOOH6MD  5562 METROPCS, INC. 520   2023-07-03   
557-203 9 Mehlville MO STLVMOOH6MD  5562 METROPCS, INC. 520   2023-07-03   
557-204 A St Louis MO STLSMOGZUMD  598J FIVE9, INC. 520      
557-204 0 St Louis MO STLSMOGZUMD  598J FIVE9, INC. 520   2023-07-06   
557-204 1 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-05-12   
557-204 2 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-11-22   
557-204 3 St Louis MO STLSMOPL5MD  197D VONAGE AMERICA LLC 520   2024-05-24   
557-204 4 St Louis MO STLSMOGZLMD  490J DISH WIRELESS, LLC 520   2024-06-01   
557-204 5 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-11-22   
557-204 6 St Louis MO STLSMOWQ8MD  073H TELNYX LLC 520   2024-08-31   
557-204 7 St Louis MO STLSMOWQ8MD  073H TELNYX LLC 520   2024-08-31   
557-204 8 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-05-12   
557-204 9 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-09-04   
557-205 A St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
557-205 0 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-205 1 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-205 2 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-205 3 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-205 4 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-205 5 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-205 6 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-205 7 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-205 8 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-205 9 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-206 A St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
557-206 0 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-206 1 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-206 2 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-206 3 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-206 4 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-206 5 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-206 6 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-206 7 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-206 8 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-206 9 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-07-24   
557-207 A Oakville MO STLSMOGZVMD  598J FIVE9, INC. 520      
557-207 0 Oakville MO STLSMOGZVMD  598J FIVE9, INC. 520   2023-07-30   
557-207 1 Oakville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-05-25   
557-207 2 Oakville MO   093F ONVOY, LLC - MO 520   2025-04-07   
557-207 3 Oakville MO   093F ONVOY, LLC - MO 520   2025-10-26   
557-207 6 Oakville MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-03-10   
557-207 8 Oakville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-07-12   
557-207 9 Oakville MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2024-11-11   
557-208 A Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
557-208 0 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-11-12   
557-208 1 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-11-12   
557-208 2 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-11-11   
557-208 3 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-11-11   
557-208 4 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-11-11   
557-208 5 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-11-11   
557-208 6 Ladue MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2023-11-27   
557-208 7 Ladue MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2023-11-27   
557-208 8 Ladue MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2023-11-27   
557-208 9 Ladue MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2023-11-27   
557-209 A Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-05-04   
557-209 0 Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-05-04   
557-209 1 Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-05-04   
557-209 2 Kirkwood MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-05-04   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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