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: 612K CSC VOICE, LLC

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
417-498 4 Verona MO   522   2008-12-23   
417-498 5 Verona MO   522   2014-03-02   
417-544 A Branson MO BASNMOXAXEX  522      
417-544 0 Branson MO   522      
417-544 1 Branson MO   522      
417-544 4 Branson MO   522      
417-544 9 Branson MO   522      
417-551 4 Ozark MO   522   2006-09-11   
417-587 8 Highlandville MO   522   2014-03-02   
417-641 6 Highlandville MO   522   2008-09-15   
417-677 4 Forsyth MO   522   2020-02-16   
417-714 A Nixa MO SPFDMOTLX1Y  522      
417-714 4 Nixa MO   522   2005-03-13   
417-714 9 Nixa MO   522   2011-01-05   
417-717 A Webb City MO SPFDMOTLX1Y  522      
417-717 4 Webb City MO   522   2006-07-20   
417-731 A Ozark MO BASNMOXAXEX  522      
417-731 2 Ozark MO   522   2014-03-02   
417-731 4 Ozark MO   522   2014-03-02   
417-731 6 Ozark MO   522   2014-05-12   
417-772 1 Monett MO   522   2014-04-02   
417-772 7 Monett MO   522   2007-04-20   
417-969 1 Cape Fair MO   522   2024-03-11   
430-201 2 Longview TX   554   2014-02-28   
430-209 6 Deport TX   552   2022-03-11   
430-222 1 Mount Pleasant TX   554   2014-02-28   
430-222 2 Mount Pleasant TX   554   2014-02-28   
430-222 9 Mount Pleasant TX   554   2014-03-14   
430-230 9 Avery TX   554   2024-04-12   
430-235 1 Lindale Swan TX   554   2014-02-28   
430-235 2 Lindale Swan TX   554   2014-02-28   
430-251 5 Bogata TX   552   2022-03-11   
430-264 2 New London TX   554   2022-12-09   
430-276 4 Hawkins TX   554   2019-12-02   
430-290 2 Detroit TX   552   2022-03-11   
430-296 A Bagwell TX DLLSTXRIXYY  552      
430-296 3 Bagwell TX   552   2022-04-08   
430-300 9 Rusk TX   554   2024-04-12   
430-313 A Winfield TX LGVWTXPLXRX  554      
430-313 6 Winfield TX   554   2023-03-12   
430-314 6 Gilmer TX   554   2022-06-27   
430-314 7 Gilmer TX   554   2022-06-27   
430-334 9 Clarksville TX   554   2024-04-12   
430-433 0 Como TX   552   2022-10-23   
430-460 1 Overton TX   554   2022-06-27   
430-460 2 Overton TX   554   2022-06-27   
430-697 2 Annona TX   554   2024-04-12   
430-701 A Hughes Springs TX LGVWTXPLXRX  554      
430-701 4 Hughes Springs TX   554      
430-702 A Gladewater TX LGVWTXPLXRX  554      

<< 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 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.