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: 225

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
557-225 A Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-05-25   
557-225 0 Ladue MO   093F ONVOY, LLC - MO 520      
557-225 1 Ladue MO   093F ONVOY, LLC - MO 520      
557-225 2 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-225 3 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-225 4 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-225 5 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-225 6 Ladue MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
557-225 7 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-225 8 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
557-225 9 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      

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

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