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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
636-424 A Pond MO STLSMOWQDS2  520   2024-05-20   
636-424 0 Pond MO STLSMOWQDS2  520   2024-05-20   
636-424 8 Pond MO   520   2026-05-21   
636-425 2 Portage des Sioux MO STLSMOWQDS2  520   2016-09-28   
636-425 3 Portage des Sioux MO STLSMOWQDS2  520   2016-09-28   
636-425 4 Portage des Sioux MO STLSMOWQDS2  520   2020-11-09   
636-425 5 Portage des Sioux MO STLSMOWQDS2  520   2020-11-09   
636-428 2 High Ridge MO STLSMOWQDS2  520   2016-09-28   
636-428 3 High Ridge MO STLSMOWQDS2  520   2016-09-28   
636-428 5 High Ridge MO STLSMOWQDS2  520   2016-03-28   
636-428 7 High Ridge MO STLSMOWQDS2  520   2016-03-28   
636-429 3 Eureka MO STLSMOWQDS2  520   2016-09-27   
636-429 4 Eureka MO STLSMOWQDS2  520   2016-09-27   
636-431 5 Valley Park MO STLSMOWQDS2  520   2016-01-29   
636-431 9 Valley Park MO STLSMOWQDS2  520   2023-08-12   
636-433 3 Marthasville MO STLSMOWQDS2  520   2020-11-13   
636-433 6 Marthasville MO STLSMOWQDS2  520   2020-11-13   
636-434 1 Portage des Sioux MO STLSMOWQDS2  520   2016-03-31   
636-434 2 Portage des Sioux MO STLSMOWQDS2  520   2016-03-31   
636-435 2 Valley Park MO STLSMOWQDS2  520   2016-09-28   
636-435 7 Valley Park MO STLSMOWQDS2  520   2016-09-28   
636-442 0 Harvester MCA4 MO STLSMOWQDS2  520   2016-03-10   
636-442 5 Harvester MCA4 MO STLSMOWQDS2  520   2002-11-19   
636-444 A Valley Park MO STLSMOWQDS2  520      
636-444 9 Valley Park MO STLSMOWQDS2  520      
636-450 1 Harvester MO   520   2026-05-21   
636-450 2 Harvester MO   520   2026-06-22   
636-451 8 Gray Summit MCA5 MO STLSMOWQDS2  520   2024-03-02   
636-452 2 Ware MCA5 MO STLSMOWQDS2  520   2016-09-28   
636-452 5 Ware MCA5 MO STLSMOWQDS2  520   2016-09-28   
636-452 8 Ware MCA5 MO STLSMOWQDS2  520   2019-12-02   
636-459 2 Foristell MO STLSMO05XLX  520   2020-07-04   
636-459 3 Foristell MO STLSMO05XLX  520   2020-07-04   
636-462 9 Troy MCA5 MO STLSMOWQDS2  520   2007-03-10   
636-465 1 Festus-Crystal City MO   520   2007-07-28   
636-465 2 Festus-Crystal City MO   520   2008-05-11   
636-465 3 Festus-Crystal City MO   520   2008-05-11   
636-466 8 Wentzville MO STLSMOWQDS2  520   2019-11-24   
636-475 2 Herculaneum-Pevely MCA4 MO STLSMOWQDS2  520   2002-11-19   
636-479 3 Herculaneum-Pevely MO STLSMOWQDS2  520   2019-02-02   
636-481 0 Hillsboro MO STLSMOWQDS2  520   2016-04-09   
636-482 2 Augusta MCA5 MO STLSMOWQDS2  520   2020-07-04   
636-482 3 Augusta MCA5 MO STLSMOWQDS2  520   2020-07-04   
636-484 8 Manchester MO STLSMOWQDS2  520   2016-09-28   
636-484 9 Manchester MO STLSMOWQDS2  520   2016-09-28   
636-488 4 Jonesburg MO STLSMOWQDS2  520   2018-12-07   
636-488 6 Jonesburg MO STLSMOWQDS2  520   2021-03-06   
636-492 5 Fenton MO STLSMOWQDS2  520   2016-01-29   
636-492 6 Fenton MO STLSMOWQDS2  520   2016-09-27   
636-492 8 Fenton MO STLSMOWQDS2  520   2016-09-27   

<< 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 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 >>

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.