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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
557-238 0 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-03-28   
557-238 1 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-03-28   
557-238 2 Kirkwood MO   321J HD CARRIER LLC 520   2026-02-14   
557-238 3 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-16   
557-238 4 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-16   
557-238 5 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-16   
557-238 6 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-16   
557-238 7 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-16   
557-238 8 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-16   
557-238 9 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-08-16   
557-239 A St Louis MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-08-29   
557-239 2 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-09-01   
557-239 3 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-09-01   
557-239 4 St Louis MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-09-01   
557-239 5 St Louis MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-09-01   
557-239 7 St Louis MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-09-01   
557-239 8 St Louis MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-09-01   
557-239 9 St Louis MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-09-01   
557-240 A Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-240 0 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-240 1 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-240 2 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-240 3 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-240 4 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-240 5 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-240 6 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-240 7 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-240 8 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-240 9 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-10-27   
557-241 A Ladue MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-241 0 Ladue MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-241 1 Ladue MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-241 2 Ladue MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-241 3 Ladue MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-241 4 Ladue MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-241 5 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-01-31   
557-241 6 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-02-05   
557-241 7 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2026-02-05   
557-241 8 Ladue MO   093F ONVOY, LLC - MO 520   2025-11-17   
557-241 9 Ladue MO   093F ONVOY, LLC - MO 520   2025-11-17   
557-242 A St Louis MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-242 0 St Louis MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-242 1 St Louis MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-242 2 St Louis MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-242 3 St Louis MO   093F ONVOY, LLC - MO 520   2025-11-15   
557-242 4 St Louis MO   093F ONVOY, LLC - MO 520   2026-03-14   
557-242 6 St Louis MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2025-12-01   
557-242 8 St Louis MO   093F ONVOY, LLC - MO 520   2025-11-17   
557-242 9 St Louis MO   093F ONVOY, LLC - MO 520   2025-11-17   
557-243 A St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-23   
557-243 2 St Louis MO   321J HD CARRIER LLC 520   2025-11-24   
557-243 3 St Louis MO   321J HD CARRIER LLC 520   2025-11-24   
557-243 4 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-23   
557-243 5 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-23   
557-243 6 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-23   
557-243 7 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-23   
557-243 8 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-23   
557-243 9 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-11-23   
557-244 A Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-12-07   
557-244 0 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-03-28   
557-244 1 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-03-28   
557-244 2 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-03-28   
557-244 3 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-03-28   
557-244 4 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-03-28   
557-244 5 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-12-07   
557-244 6 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-12-07   
557-244 7 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-12-07   
557-244 8 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-12-07   
557-244 9 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-12-07   
557-245 A St Louis MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2026-01-08   
557-245 8 St Louis MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2026-01-08   
557-246 A St Louis MO   700J WAVENATION, LLC 520   2026-01-30   
557-246 0 St Louis MO   700J WAVENATION, LLC 520   2026-01-30   
557-246 1 St Louis MO   490J BOOST SUBSCRIBERCO L.L.C. 520   2026-03-22   
557-246 2 St Louis MO   490J BOOST SUBSCRIBERCO L.L.C. 520   2026-06-02   
557-246 3 St Louis MO   490J BOOST SUBSCRIBERCO L.L.C. 520   2026-08-18   
557-247 A Mehlville MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-01-25   
557-247 0 Mehlville MO   093F ONVOY, LLC - MO 520   2026-02-20   
557-247 1 Mehlville MO   093F ONVOY, LLC - MO 520   2026-02-20   
557-247 7 Mehlville MO   093F ONVOY, LLC - MO 520   2026-04-04   
557-247 8 Mehlville MO   093F ONVOY, LLC - MO 520   2026-04-04   
557-247 9 Mehlville MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-01-25   
557-248 A St Louis MO   128L E. RITTER COMMUNICATIONS, LLC 520   2026-02-19   
557-248 1 St Louis MO   128L E. RITTER COMMUNICATIONS, LLC 520   2026-02-19   
557-249 A Ladue MO   093F ONVOY, LLC - MO 520   2026-03-06   
557-249 0 Ladue MO   093F ONVOY, LLC - MO 520   2026-03-06   
557-249 1 Ladue MO   093F ONVOY, LLC - MO 520   2026-03-06   
557-249 4 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2026-03-23   
557-249 7 Ladue MO   093F ONVOY, LLC - MO 520   2026-03-22   
557-249 8 Ladue MO   093F ONVOY, LLC - MO 520   2026-03-09   
557-249 9 Ladue MO   093F ONVOY, LLC - MO 520   2026-03-22   
557-250 A St Louis MO   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 520   2026-04-28   
557-250 3 St Louis MO   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 520   2026-04-28   
557-250 8 St Louis MO   093F ONVOY, LLC - MO 520   2026-04-29   
557-250 9 St Louis MO   093F ONVOY, LLC - MO 520   2026-04-29   
557-251 A Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-04-12   
557-251 0 Kirkwood MO   093F ONVOY, LLC - MO 520   2026-04-13   
557-251 2 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-04-12   
557-251 3 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-04-12   
557-251 4 Kirkwood MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2026-04-12   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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