Local Calling Guide

Area code/prefix search

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OCN: 093F ONVOY, LLC - MO

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
557-256 1 Mehlville MO STLSMOWQDS2  520   2026-07-20   
557-256 7 Mehlville MO   520   2026-09-19   
557-256 8 Mehlville MO   520   2026-09-19   
557-256 9 Mehlville MO   520   2026-09-19   
557-257 A Creve Coeur MO   520   2026-08-29   
557-257 0 Creve Coeur MO   520   2026-08-29   
557-257 1 Creve Coeur MO   520   2026-08-29   
557-257 2 Creve Coeur MO   520   2026-08-29   
557-258 A Oakville MO   520   2026-08-29   
557-258 0 Oakville MO   520   2026-08-29   
557-258 1 Oakville MO   520   2026-10-08   
557-259 A Sappington MO   520   2026-08-29   
557-259 0 Sappington MO   520   2026-08-29   
557-259 1 Sappington MO   520   2026-09-28   
557-259 2 Sappington MO   520   2026-09-28   
557-261 0 Kirkwood MO   520   2026-10-12   
557-261 1 Kirkwood MO   520   2026-10-12   
557-261 2 Kirkwood MO   520   2026-10-12   
557-263 0 St Louis MO   520   2026-10-19   
557-263 1 St Louis MO   520   2026-10-19   
557-263 2 St Louis MO   520   2026-10-19   
557-265 A St Louis MO   520   2026-11-12   
557-265 0 St Louis MO   520   2026-11-12   
557-333 A Sappington MO STLSMOWQDS2  520   2025-09-08   
557-333 0 Sappington MO STLSMOWQDS2  520   2025-09-08   
557-333 1 Sappington MO STLSMOWQDS2  520   2025-11-28   
557-333 2 Sappington MO STLSMOWQDS2  520   2026-05-09   
557-333 3 Sappington MO STLSMOWQDS2  520   2025-09-08   
557-333 4 Sappington MO STLSMOWQDS2  520   2025-09-08   
557-333 5 Sappington MO STLSMOWQDS2  520   2026-05-09   
557-333 6 Sappington MO STLSMOWQDS2  520   2026-05-09   
557-333 7 Sappington MO STLSMOWQDS2  520   2026-05-09   
557-333 8 Sappington MO STLSMOWQDS2  520   2026-03-22   
557-333 9 Sappington MO STLSMOWQDS2  520   2026-05-09   
557-444 A Creve Coeur MO STLSMOWQDS2  520   2025-09-08   
557-444 0 Creve Coeur MO STLSMOWQDS2  520   2025-09-08   
557-444 1 Creve Coeur MO STLSMOWQDS2  520   2026-03-14   
557-444 2 Creve Coeur MO STLSMOWQDS2  520   2026-05-03   
557-444 3 Creve Coeur MO STLSMOWQDS2  520   2026-05-03   
557-444 4 Creve Coeur MO STLSMOWQDS2  520   2025-09-08   
557-444 5 Creve Coeur MO STLSMOWQDS2  520   2025-09-08   
557-444 6 Creve Coeur MO STLSMOWQDS2  520   2026-06-13   
557-444 7 Creve Coeur MO STLSMOWQDS2  520   2026-06-13   
557-444 8 Creve Coeur MO STLSMOWQDS2  520   2026-01-10   
557-467 A St Louis MO STLSMOWQDS2  520      
557-467 0 St Louis MO STLSMOWQDS2  520   2022-10-09   
557-467 1 St Louis MO STLSMOWQDS2  520   2022-10-09   
557-467 2 St Louis MO STLSMOWQDS2  520   2022-10-09   
557-467 3 St Louis MO STLSMOWQDS2  520   2022-10-09   
557-467 4 St Louis MO STLSMOWQDS2  520   2022-10-09   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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