Local Calling Guide

Area code/prefix search

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

NXX: 213

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
557-213 A St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-213 0 St Louis MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2024-09-19   
557-213 1 St Louis MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2024-09-19   
557-213 2 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-11-22   
557-213 3 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-11-22   
557-213 4 St Louis MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2024-09-30   
557-213 5 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-11-22   
557-213 6 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-11-22   
557-213 7 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-11-22   
557-213 8 St Louis MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2024-09-19   
557-213 9 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-11-22   

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

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