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: 232

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
557-232 A Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-04-04   
557-232 0 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-04-04   
557-232 1 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-04-07   
557-232 2 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-04-07   
557-232 3 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-04-07   
557-232 4 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2025-04-07   
557-232 9 Ladue MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-04-04   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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