Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: STLSMO05XMX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
573-240 7 Center MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-255 6 Ponder MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-271 9 Cape Girardeau MO 624H ONVOY SPECTRUM, LLC 520   2025-01-18   
573-273 7 Advance MO 624H ONVOY SPECTRUM, LLC 520   2025-01-18   
573-283 7 Essex MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-284 1 Versailles MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-287 0 Piedmont MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-297 6 Wappapello Park MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-309 2 Bell City MO 624H ONVOY SPECTRUM, LLC 520   2025-01-18   
573-313 2 Benton MO 624H ONVOY SPECTRUM, LLC 520   2025-01-18   
573-318 2 Chaffee MO 624H ONVOY SPECTRUM, LLC 520   2025-01-18   
573-319 7 Macks Creek MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-326 7 Marston MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-350 3 Delta MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-354 8 Oxly MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-357 6 Parma MO 624H ONVOY SPECTRUM, LLC 520   2020-08-05   
573-357 7 Parma MO 624H ONVOY SPECTRUM, LLC 520   2020-08-05   
573-357 8 Parma MO 624H ONVOY SPECTRUM, LLC 520   2020-08-05   
573-369 8 Tuscumbia MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-370 0 Gideon MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-377 8 Stover MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-389 8 Oak Ridge MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-390 4 Old Appleton MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-396 9 Risco MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-398 2 Scott City MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-399 1 Naylor MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-402 9 Wardell MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-403 9 Wyatt MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-404 8 Qulin MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-412 7 Portageville MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-414 5 Dexter MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-423 6 Belleview MO 624H ONVOY SPECTRUM, LLC 520   2021-07-02   
573-423 8 Belleview MO 624H ONVOY SPECTRUM, LLC 520   2021-11-16   
573-423 9 Belleview MO 624H ONVOY SPECTRUM, LLC 520   2021-11-16   
573-436 8 Potosi MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-454 0 Flat River MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-463 1 Bunker MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-475 5 Sikeston MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-482 7 Farmington MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-484 7 Beaufort MO 624H ONVOY SPECTRUM, LLC 520   2021-07-02   
573-487 1 Lesterville MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-495 4 Clubb MO 624H ONVOY SPECTRUM, LLC 520   2025-01-18   
573-501 8 Hannibal MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-503 8 Middletown MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-504 8 Puxico MO 624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-505 7 Gravois Mills MO 624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-509 9 Altenburg-Frohna MO 624H ONVOY SPECTRUM, LLC 520   2025-01-12   
573-527 1 Birch Tree MO 624H ONVOY SPECTRUM, LLC 520   2021-11-18   
573-527 6 Birch Tree MO 624H ONVOY SPECTRUM, LLC 520   2021-07-02   
573-527 8 Birch Tree MO 624H ONVOY SPECTRUM, LLC 520   2021-11-16   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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