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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
557-257 2 Creve Coeur MO   093F ONVOY, LLC - MO 520   2026-08-29   
557-258 A Oakville MO   093F ONVOY, LLC - MO 520   2026-08-29   
557-258 0 Oakville MO   093F ONVOY, LLC - MO 520   2026-08-29   
557-259 A Sappington MO   093F ONVOY, LLC - MO 520   2026-08-29   
557-259 0 Sappington MO   093F ONVOY, LLC - MO 520   2026-08-29   
557-260 A Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-09-06   
557-260 0 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-09-06   
557-260 1 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-09-06   
557-260 2 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-09-06   
557-260 3 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-09-06   
557-260 4 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-09-06   
557-260 5 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-09-06   
557-260 6 Ladue MO   321J HD CARRIER LLC 520   2026-09-07   
557-260 7 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-09-07   
557-260 8 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-09-07   
557-260 9 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-09-07   
557-261 A Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-09   
557-261 0 Kirkwood MO   093F ONVOY, LLC - MO 520   2026-10-12   
557-261 1 Kirkwood MO   093F ONVOY, LLC - MO 520   2026-10-12   
557-261 2 Kirkwood MO   093F ONVOY, LLC - MO 520   2026-10-12   
557-261 3 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-09   
557-261 4 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-09   
557-261 5 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-09   
557-261 6 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-09   
557-261 7 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-09   
557-261 8 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-09   
557-261 9 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-09   
557-262 A St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-262 0 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-262 1 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-262 2 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-262 3 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-262 4 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-262 5 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-262 6 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-262 7 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-262 8 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-262 9 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-16   
557-263 A St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-18   
557-263 3 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-18   
557-263 4 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-18   
557-263 5 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-18   
557-263 6 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-18   
557-263 7 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-18   
557-263 8 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-18   
557-263 9 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-10-18   
557-273 A St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
557-273 0 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-273 1 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-273 2 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-273 3 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-273 4 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-273 5 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-273 6 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-273 7 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-273 8 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-273 9 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-333 A Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-08   
557-333 0 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-08   
557-333 1 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-11-28   
557-333 2 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-05-09   
557-333 3 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-08   
557-333 4 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-08   
557-333 5 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-05-09   
557-333 6 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-05-09   
557-333 7 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-05-09   
557-333 8 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-03-22   
557-333 9 Sappington MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-05-09   
557-362 A St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
557-362 0 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-362 1 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-362 2 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-362 3 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-362 4 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-362 5 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-362 6 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-362 7 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-362 8 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-362 9 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-444 A Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-08   
557-444 0 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-08   
557-444 1 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-03-14   
557-444 2 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-05-03   
557-444 3 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-05-03   
557-444 4 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-08   
557-444 5 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2025-09-08   
557-444 6 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-06-13   
557-444 7 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-06-13   
557-444 8 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-01-10   
557-444 9 Creve Coeur MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-12-05   
557-454 A St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
557-454 0 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-454 1 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-454 2 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-454 3 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-454 4 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-454 5 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-454 6 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-454 7 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   
557-454 8 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-02-24   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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