Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Kirkwood, MO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
557-888 2 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-11-26   
557-888 3 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-11-26   
557-888 4 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-11-26   
557-888 5 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-11-24   
557-888 6 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-11-24   
557-888 7 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-12-16   
557-888 8   093F ONVOY, LLC - MO 520   2026-05-04   
557-888 9 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-11-24   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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