Local Calling Guide

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Sappington, MO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
557-999 A STLSMOGZSMD  733J WIRETAP TELECOM, LLC. 520      
557-999 0 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-11-19   
557-999 1 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-11-19   
557-999 2 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-12-29   
557-999 3 NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-07-15   
557-999 4 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-10   
557-999 5 STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-09-30   
557-999 6 STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2023-09-29   
557-999 7 STLSMOGZSMD  733J WIRETAP TELECOM, LLC. 520   2023-05-13   
557-999 8 STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2023-02-27   
557-999 9   145J TERRA NOVA TELECOM INC. 520   2022-11-18   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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