Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 557 [Rate centres in NPA 557] [Dial plan for NPA 557]

NXX: 212

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
557-212 A Mehlville MO STLVMOOH6MD  5562 METROPCS, INC. 520      
557-212 2 Mehlville MO   145J TERRA NOVA TELECOM INC. 520   2023-11-21   
557-212 4 Mehlville MO STLSMOWQCMD  515J IP HORIZON LLC 520   2023-12-07   
557-212 5 Mehlville MO STLSMOWQCMD  515J IP HORIZON LLC 520   2023-12-07   
557-212 6 Mehlville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-04-04   
557-212 7 Mehlville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-02-26   
557-212 8 Mehlville MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-02-22   
557-212 9 Mehlville MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2024-12-05   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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