Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
557-255 A Ladue MO 093F ONVOY, LLC - MO 520   2026-07-20   
557-255 0 Ladue MO 093F ONVOY, LLC - MO 520   2026-07-20   
557-255 1 Ladue MO 093F ONVOY, LLC - MO 520   2026-07-20   
557-255 2 Ladue MO 093F ONVOY, LLC - MO 520   2026-07-20   
557-255 3 Ladue MO 093F ONVOY, LLC - MO 520   2026-07-20   
557-255 4 Ladue MO 093F ONVOY, LLC - MO 520   2026-07-20   
557-255 5 Ladue MO 093F ONVOY, LLC - MO 520   2026-07-20   
557-255 6 Ladue MO 093F ONVOY, LLC - MO 520   2026-07-21   
557-255 7 Ladue MO 093F ONVOY, LLC - MO 520   2026-07-21   
557-256 A Mehlville MO 093F ONVOY, LLC - MO 520   2026-07-20   
557-256 0 Mehlville MO 093F ONVOY, LLC - MO 520   2026-07-20   
557-256 1 Mehlville MO 093F ONVOY, LLC - MO 520   2026-07-20   
557-333 A Sappington MO 093F ONVOY, LLC - MO 520   2025-09-08   
557-333 0 Sappington MO 093F ONVOY, LLC - MO 520   2025-09-08   
557-333 1 Sappington MO 093F ONVOY, LLC - MO 520   2025-11-28   
557-333 2 Sappington MO 093F ONVOY, LLC - MO 520   2026-05-09   
557-333 3 Sappington MO 093F ONVOY, LLC - MO 520   2025-09-08   
557-333 4 Sappington MO 093F ONVOY, LLC - MO 520   2025-09-08   
557-333 5 Sappington MO 093F ONVOY, LLC - MO 520   2026-05-09   
557-333 6 Sappington MO 093F ONVOY, LLC - MO 520   2026-05-09   
557-333 7 Sappington MO 093F ONVOY, LLC - MO 520   2026-05-09   
557-333 8 Sappington MO 093F ONVOY, LLC - MO 520   2026-03-22   
557-333 9 Sappington MO 093F ONVOY, LLC - MO 520   2026-05-09   
557-444 A Creve Coeur MO 093F ONVOY, LLC - MO 520   2025-09-08   
557-444 0 Creve Coeur MO 093F ONVOY, LLC - MO 520   2025-09-08   
557-444 1 Creve Coeur MO 093F ONVOY, LLC - MO 520   2026-03-14   
557-444 2 Creve Coeur MO 093F ONVOY, LLC - MO 520   2026-05-03   
557-444 3 Creve Coeur MO 093F ONVOY, LLC - MO 520   2026-05-03   
557-444 4 Creve Coeur MO 093F ONVOY, LLC - MO 520   2025-09-08   
557-444 5 Creve Coeur MO 093F ONVOY, LLC - MO 520   2025-09-08   
557-444 6 Creve Coeur MO 093F ONVOY, LLC - MO 520   2026-06-13   
557-444 7 Creve Coeur MO 093F ONVOY, LLC - MO 520   2026-06-13   
557-444 8 Creve Coeur MO 093F ONVOY, LLC - MO 520   2026-01-10   
557-467 A St Louis MO 093F ONVOY, LLC - MO 520      
557-467 0 St Louis MO 093F ONVOY, LLC - MO 520   2022-10-09   
557-467 1 St Louis MO 093F ONVOY, LLC - MO 520   2022-10-09   
557-467 2 St Louis MO 093F ONVOY, LLC - MO 520   2022-10-09   
557-467 3 St Louis MO 093F ONVOY, LLC - MO 520   2022-10-09   
557-467 4 St Louis MO 093F ONVOY, LLC - MO 520   2022-10-09   
557-467 5 St Louis MO 093F ONVOY, LLC - MO 520   2022-10-09   
557-467 6 St Louis MO 093F ONVOY, LLC - MO 520   2022-10-09   
557-467 7 St Louis MO 093F ONVOY, LLC - MO 520   2022-10-09   
557-467 8 St Louis MO 093F ONVOY, LLC - MO 520   2022-10-09   
557-467 9 St Louis MO 093F ONVOY, LLC - MO 520   2022-10-09   
557-557 A St Louis MO 093F ONVOY, LLC - MO 520      
557-557 1 St Louis MO 093F ONVOY, LLC - MO 520   2023-06-14   
557-557 2 St Louis MO 093F ONVOY, LLC - MO 520   2023-06-14   
557-557 3 St Louis MO 093F ONVOY, LLC - MO 520   2023-06-14   
557-557 4 St Louis MO 093F ONVOY, LLC - MO 520   2023-06-14   
557-557 5 St Louis MO 093F ONVOY, LLC - MO 520   2023-06-14   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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