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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
557-500 A St Louis MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520      
557-500 0 St Louis MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520      
557-500 1 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-500 2 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-500 3 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-500 4 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-500 5 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-500 6 St Louis MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
557-500 7 St Louis MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
557-500 8 St Louis MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
557-500 9 St Louis MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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