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: 638E ONVOY, LLC - NC

<< 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 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
743-278 1 Summerfield NC   424   2026-03-14   
743-279 A Winston-Salem NC GNBONCEU24Z  424   2024-07-29   
743-279 0 Winston-Salem NC GNBONCEU24Z  424   2024-07-29   
743-279 1 Winston-Salem NC GNBONCEU24Z  424   2024-07-29   
743-279 2 Winston-Salem NC GNBONCEU24Z  424   2024-07-29   
743-280 A Saxapahaw NC GNBONCEU24Z  424   2024-07-29   
743-280 0 Saxapahaw NC GNBONCEU24Z  424   2024-07-29   
743-283 0 Roxboro NC   424   2025-02-01   
743-283 7 Roxboro NC   424   2026-05-09   
743-283 8 Roxboro NC GNBONCEU24Z  424   2024-12-30   
743-283 9 Roxboro NC GNBONCEU24Z  424   2024-12-30   
743-285 7 Asheboro NC   424   2026-01-11   
743-286 0 Greensboro NC   424   2025-10-26   
743-286 2 Greensboro NC   424   2026-01-04   
743-287 1 Greensboro NC   424   2026-01-19   
743-287 2 Greensboro NC   424   2026-02-06   
743-287 3 Greensboro NC   424   2026-02-06   
743-287 4 Greensboro NC   424   2026-04-05   
743-287 7 Greensboro NC   424   2026-05-18   
743-287 8 Greensboro NC   424   2026-05-18   
743-290 A Randleman NC   424   2026-04-11   
743-290 0 Randleman NC   424   2026-04-11   
743-290 1 Randleman NC   424   2026-05-18   
743-292 A Elkin NC   424   2026-05-30   
743-292 0 Elkin NC   424   2026-05-30   
743-296 3 Reidsville NC GNBONCEU24Z  424   2022-09-30   
743-296 4 Reidsville NC GNBONCEU24Z  424   2022-09-30   
743-296 5 Reidsville NC GNBONCEU24Z  424   2022-09-30   
743-296 7 Reidsville NC   424   2026-02-23   
743-300 5 Danbury NC GNBONCEU24Z  424   2022-10-02   
743-300 6 Danbury NC GNBONCEU24Z  424   2022-10-02   
743-300 7 Danbury NC GNBONCEU24Z  424   2020-12-26   
743-300 8 Danbury NC GNBONCEU24Z  424   2020-12-26   
743-330 1 Elkin NC ELKNNCXAX5X  424   2022-10-02   
743-330 2 Elkin NC ELKNNCXAX5X  424   2022-10-02   
743-330 4 Elkin NC ELKNNCXAX5X  424   2022-10-02   
743-330 5 Elkin NC ELKNNCXAX5X  424   2022-10-02   
743-330 6 Elkin NC ELKNNCXAX5X  424   2022-10-02   
743-330 7 Elkin NC ELKNNCXAX5X  424   2022-10-02   
743-330 8 Elkin NC ELKNNCXAX5X  424   2022-10-02   
743-330 9 Elkin NC ELKNNCXAX5X  424   2022-10-02   
743-333 A Winston-Salem NC GNBONCEU24Z  424      
743-333 3 Winston-Salem NC GNBONCEU24Z  424   2017-11-04   
743-334 A Oldtown NC GNBONCEU24Z  424      
743-334 1 Oldtown NC GNBONCEU24Z  424   2024-07-12   
743-334 2 Oldtown NC   424   2026-01-04   
743-334 3 Oldtown NC GNBONCEU24Z  424   2023-03-20   
743-334 8 Oldtown NC GNBONCEU24Z  424   2023-08-28   
743-334 9 Oldtown NC GNBONCEU24Z  424   2023-08-28   
743-337 A Asheboro NC ASBONCXAX9X  424      

<< 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 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.