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 89 90 91 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
573-409 7 Hermann MO STLSMOWQDS2  520   2018-12-08   
573-409 8 Hermann MO STLSMOWQDS2  520   2019-11-24   
573-409 9 Hermann MO STLSMOWQDS2  520   2020-11-16   
573-410 1 Camdenton MO STLSMOWQDS2  520   2016-08-22   
573-410 3 Camdenton MO STLSMOWQDS2  520   2016-04-01   
573-410 4 Camdenton MO STLSMOWQDS2  520   2016-04-01   
573-410 7 Camdenton MO STLSMOWQDS2  520   2016-09-26   
573-410 8 Camdenton MO STLSMOWQDS2  520   2016-09-26   
573-412 3 Portageville MO STLSMOWQDS2  520   2016-09-29   
573-412 5 Portageville MO STLSMOWQDS2  520   2017-12-30   
573-412 6 Portageville MO STLSMOWQDS2  520   2021-07-24   
573-413 4 Poplar Bluff MO STLSMOWQDS2  520   2016-09-29   
573-413 5 Poplar Bluff MO STLSMOWQDS2  520   2016-09-29   
573-414 2 Dexter MO STLSMOWQDS2  520   2016-09-27   
573-415 1 Jefferson City MO JFCYMOXAX7Y  521   2024-07-18   
573-415 3 Jefferson City MO JFCYMOXAX7Y  521   2024-07-18   
573-415 4 Jefferson City MO JFCYMOXAX7Y  521   2024-07-18   
573-417 1 Linn MO JFCYMOXAXHX  521   2017-05-02   
573-419 5 Chaffee MO STLSMOWQDS2  520   2021-07-24   
573-422 4 Vienna MO JFCYMOXAXHX  521   2019-11-29   
573-422 5 Vienna MO JFCYMOXAXHX  521   2019-11-29   
573-423 A Belleview MO STLSMOWQDS2  520      
573-423 2 Belleview MO STLSMOWQDS2  520   2021-03-07   
573-423 3 Belleview MO STLSMOWQDS2  520   2021-07-12   
573-423 4 Belleview MO STLSMOWQDS2  520   2018-12-09   
573-425 A Hunnewell MO STLSMOWQDS2  520      
573-425 2 Hunnewell MO STLSMOWQDS2  520   2021-03-06   
573-425 3 Hunnewell MO STLSMOWQDS2  520   2021-03-06   
573-425 4 Hunnewell MO STLSMOWQDS2  520   2018-12-08   
573-430 0 Flat River MO STLSMOWQDS2  520   2016-09-27   
573-430 1 Flat River MO STLSMOWQDS2  520   2016-09-27   
573-430 7 Flat River MO STLSMOWQDS2  520   2018-01-05   
573-432 A Ironton MO STLSMOWQDS2  520      
573-432 4 Ironton MO STLSMOWQDS2  520   2018-12-07   
573-432 5 Ironton MO STLSMOWQDS2  520   2019-11-28   
573-432 6 Ironton MO STLSMOWQDS2  520   2019-11-28   
573-432 9 Ironton MO STLSMOWQDS2  520   2021-03-07   
573-434 7 Lake Ozark-Osage Beach MO STLSMOWQDS2  520   2023-10-22   
573-434 8 Lake Ozark-Osage Beach MO STLSMOWQDS2  520   2023-10-22   
573-435 2 Edgar Springs MO STLSMOWQDS2  520   2019-11-23   
573-435 3 Edgar Springs MO STLSMOWQDS2  520   2019-11-23   
573-435 4 Edgar Springs MO STLSMOWQDS2  520   2018-12-08   
573-436 5 Potosi MO STLSMOWQDS2  520   2018-12-07   
573-440 2 Fredericktown MO STLSMOWQDS2  520   2024-07-29   
573-440 9 Fredericktown MO STLSMOWQDS2  520   2019-02-02   
573-444 4 Fredericktown MO STLSMOWQDS2  520   2015-09-11   
573-444 5 Fredericktown MO STLSMOWQDS2  520   2016-09-27   
573-444 6 Fredericktown MO STLSMOWQDS2  520   2016-09-27   
573-444 8 Fredericktown MO STLSMOWQDS2  520   2016-01-29   
573-444 9 Fredericktown MO STLSMOWQDS2  520   2019-02-02   

<< 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 89 90 91 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.