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: 490J DISH WIRELESS, 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 75 76 77 78 79 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
414-424 0 Milwaukee Zone 1 WI   356   2025-07-28   
414-424 1 Milwaukee Zone 1 WI   356   2025-07-28   
414-424 6 Milwaukee Zone 1 WI   356   2025-10-04   
414-424 7 Milwaukee Zone 1 WI   356   2025-10-04   
414-424 8 Milwaukee Zone 1 WI   356   2025-12-03   
414-451 6 Milwaukee Zone 1 WI   356   2025-12-03   
414-500 6 Milwaukee Zone 3 WI   356   2024-06-14   
414-850 8 Milwaukee Zone 1 WI   356   2023-06-12   
414-850 9 Milwaukee Zone 1 WI   356   2023-11-08   
414-946 4 Milwaukee Zone 5 WI   356   2024-08-29   
415-256 6 San Rafael CA   722   2023-06-01   
417-219 9 Crane MO   522   2022-09-09   
417-301 A Anderson MO SPFDMOMC12Z  522      
417-301 9 Anderson MO   522   2022-10-14   
417-341 2 Jacket MO   526   2022-09-09   
417-375 A Noel MO SPFDMOMC12Z  522      
417-375 9 Noel MO   522   2022-10-14   
417-492 2 Sparta MO   522   2022-09-09   
417-504 4 Aurora MO   522   2022-09-09   
417-506 A Springfield MO SPFDMOMC12Z  522      
417-506 9 Springfield MO   522   2022-04-07   
417-508 5 Powell MO   522   2022-09-09   
417-568 A Hurley MO SPFDMOMC12Z  522      
417-568 8 Hurley MO   522   2022-09-09   
417-706 7 Joplin MO   522   2023-11-16   
417-716 A Ozark MO SPFDMOMC12Z  522      
417-716 9 Ozark MO   522   2022-05-29   
417-743 6 Clever MCA2 MO   522   2022-05-01   
417-826 6 Washburn MO   522   2022-09-09   
417-900 6 Marionville MO   522   2022-09-09   
419-613 6 Liberty Center OH   326   2023-10-29   
419-745 3 Toledo OH   326   2026-04-07   
419-745 4 Toledo OH   326   2026-04-07   
419-745 5 Toledo OH   326   2026-07-06   
419-745 6 Toledo OH   326   2026-07-06   
419-745 7 Toledo OH   326   2026-02-07   
419-796 3 Kalida OH   923   2023-08-06   
423-203 A Chattanooga TN CHTGTN1212Z  472      
423-203 3 Chattanooga TN   472   2025-12-11   
423-203 4 Chattanooga TN   472   2024-07-29   
423-203 9 Chattanooga TN   472   2022-04-08   
423-449 2 La Follette TN   474   2024-03-22   
423-561 7 Sweetwater TN   474   2024-03-22   
423-601 1 Bulls Gap TN   474   2022-10-15   
423-679 5 Ooltewah TN   472   2024-03-31   
423-769 3 Benton TN   472   2023-07-10   
423-792 A Oakdale TN KNVNTNEC8MD  474   2024-04-26   
423-792 0 Oakdale TN   474   2024-04-26   
423-796 A Johnson City TN JHCYTNXCXSY  956      
423-796 9 Johnson City TN   956   2022-04-07   

<< 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.