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: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
557-210 A Ladue MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520      
557-210 0 Ladue MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2023-11-15   
557-210 1 Ladue MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2023-11-15   
557-210 2 Ladue MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2023-11-15   
557-210 3 Ladue MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2023-11-15   
557-210 4 Ladue MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2023-11-15   
557-210 5 Ladue MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2023-11-15   
557-210 6 Ladue MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2023-11-27   
557-210 7 Ladue MO STLSMOWQCMD  515J IP HORIZON LLC 520   2023-12-07   
557-210 8 Ladue MO STLSMOWQGMD  732J NUSO, LLC 520   2023-12-22   
557-210 9 Ladue MO STLSMOWQGMD  732J NUSO, LLC 520   2023-12-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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