Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 093F ONVOY, LLC - MO

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

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   
557-265 1 St Louis MO   520   2026-11-13   
557-265 2 St Louis MO   520   2026-11-13   
557-265 3 St Louis MO   520   2026-11-13   
557-265 4 St Louis MO   520   2026-11-13   
557-265 5 St Louis MO   520   2026-11-13   
557-265 6 St Louis MO   520   2026-11-13   
557-265 7 St Louis MO   520   2026-11-13   
557-265 8 St Louis MO   520   2026-11-13   
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   
557-467 5 St Louis MO STLSMOWQDS2  520   2022-10-09   
557-467 6 St Louis MO STLSMOWQDS2  520   2022-10-09   
557-467 7 St Louis MO STLSMOWQDS2  520   2022-10-09   
557-467 8 St Louis MO STLSMOWQDS2  520   2022-10-09   
557-467 9 St Louis MO STLSMOWQDS2  520   2022-10-09   
557-557 A St Louis MO STLSMOWQDS2  520      
557-557 1 St Louis MO STLSMOWQDS2  520   2023-06-14   
557-557 2 St Louis MO STLSMOWQDS2  520   2023-06-14   
557-557 3 St Louis MO STLSMOWQDS2  520   2023-06-14   
557-557 4 St Louis MO STLSMOWQDS2  520   2023-06-14   
557-557 5 St Louis MO STLSMOWQDS2  520   2023-06-14   
557-557 7 St Louis MO STLSMOWQDS2  520   2023-06-14   
557-557 8 St Louis MO STLSMOWQDS2  520   2023-06-14   
557-557 9 St Louis MO STLSMOWQDS2  520   2023-06-14   
557-567 0 Kirkwood MO STLSMOWQDS2  520   2025-01-03   
557-567 1 Kirkwood MO STLSMOWQDS2  520   2025-02-01   
557-567 9 Kirkwood MO STLSMOWQDS2  520   2025-03-13   
557-666 A Kirkwood MO   520   2026-12-05   
557-666 0 Kirkwood MO   520   2026-12-05   
557-666 6 Kirkwood MO   520   2026-12-05   
557-777 2 Creve Coeur MO STLSMOWQDS2  520   2023-08-10   
557-777 3 Creve Coeur MO STLSMOWQDS2  520   2023-09-08   
557-777 4 Creve Coeur MO STLSMOWQDS2  520   2023-09-08   
557-888 2 Kirkwood MO STLSMOWQDS2  520   2022-11-26   
557-888 3 Kirkwood MO STLSMOWQDS2  520   2022-11-26   
557-888 4 Kirkwood MO STLSMOWQDS2  520   2022-11-26   
557-888 8 Kirkwood MO STLSMOWQDS2  520   2026-05-04   
557-999 2 Sappington MO STLSMOWQDS2  520   2022-12-29   
557-999 4 Sappington MO STLSMOWQDS2  520   2023-08-10   
557-999 5 Sappington MO STLSMOWQDS2  520   2023-09-30   
573-203 0 Senath MO STLSMOWQDS2  520   2016-09-29   
573-203 1 Senath MO STLSMOWQDS2  520   2016-09-29   
573-208 1 Marble Hill MO STLSMOWQDS2  520   2022-01-01   
573-208 7 Marble Hill MO STLSMOWQDS2  520   2023-08-10   
573-219 6 Columbia MO CLMAMOXAXIX  521   2024-07-06   
573-226 2 Eminence MO STLSMO05XLX  520   2021-12-05   
573-226 4 Eminence MO STLSMOWQDS2  520   2021-10-26   
573-226 9 Eminence MO STLSMOWQDS2  520   2022-12-17   
573-229 0 Meta MO JFCYMOXAXHX  521   2017-05-02   
573-229 2 Meta MO JFCYMOXAXHX  521   2020-07-05   
573-229 3 Meta MO JFCYMOXAXHX  521   2020-07-05   
573-229 8 Meta MO JFCYMOXAXHX  521   2020-11-13   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 >>

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.