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.

Switch: GNBONCEU78Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-310 2 Kernersville NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
336-323 6 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
336-346 5 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2024-08-13   
336-377 1 Stanleyville NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
336-378 3 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
336-433 6 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
336-650 5 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
336-703 0 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
336-738 6 Anderson NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
336-743 A Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2024-05-15   
336-743 3 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2024-07-06   
336-743 4 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2024-07-06   
336-743 5 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2024-07-06   
336-743 6 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2024-05-15   
336-743 7 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2024-05-15   
336-743 8 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2024-05-15   
336-743 9 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2024-05-15   
336-777 2 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2024-10-15   
336-796 6 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2024-10-15   
336-796 7 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2024-10-15   
336-890 7 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
336-915 1 Roxboro NC 624H ONVOY SPECTRUM, LLC 424   2023-05-20   
336-948 5 Prospect Hill NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
336-962 8 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
336-974 9 Ruffin NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-214 8 Burlington NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
743-215 8 Walnut Cove NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-218 5 Gibsonville NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
743-225 A Julian NC 624H ONVOY SPECTRUM, LLC 424      
743-225 2 Julian NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
743-226 6 Monticello NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-228 1 Summerfield NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-231 A Madison NC 624H ONVOY SPECTRUM, LLC 424      
743-231 0 Madison NC 624H ONVOY SPECTRUM, LLC 424   2021-12-21   
743-232 0 Lewisville NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-237 A Quaker Gap NC 624H ONVOY SPECTRUM, LLC 424      
743-237 0 Quaker Gap NC 624H ONVOY SPECTRUM, LLC 424   2021-12-21   
743-241 5 Burlington NC 624H ONVOY SPECTRUM, LLC 424   2022-09-16   
743-241 6 Burlington NC 624H ONVOY SPECTRUM, LLC 424   2022-09-16   
743-247 2 Yanceyville NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-257 0 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2023-08-15   
743-257 2 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2023-08-15   
743-257 3 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2023-08-15   
743-257 4 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2023-08-15   
743-257 5 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2023-08-15   
743-261 5 Burlington NC 624H ONVOY SPECTRUM, LLC 424   2023-11-28   
743-261 6 Burlington NC 624H ONVOY SPECTRUM, LLC 424   2023-11-28   
743-261 7 Burlington NC 624H ONVOY SPECTRUM, LLC 424   2023-11-28   
743-261 8 Burlington NC 624H ONVOY SPECTRUM, LLC 424   2023-11-28   
743-261 9 Burlington NC 624H ONVOY SPECTRUM, LLC 424   2023-11-28   
743-296 A Reidsville NC 624H ONVOY SPECTRUM, LLC 424      
743-296 0 Reidsville NC 624H ONVOY SPECTRUM, LLC 424   2021-12-21   
743-300 4 Danbury NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
743-334 0 Oldtown NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-342 1 Walkertown NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-343 A Lewisville NC 624H ONVOY SPECTRUM, LLC 424   2024-11-03   
743-343 3 Lewisville NC 624H ONVOY SPECTRUM, LLC 424   2024-11-03   
743-345 9 Stoneville NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-369 A Sandy Ridge NC 624H ONVOY SPECTRUM, LLC 424      
743-369 0 Sandy Ridge NC 624H ONVOY SPECTRUM, LLC 424   2021-12-21   
743-374 3 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2022-02-06   
743-374 4 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2022-02-06   
743-400 6 Eden NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
743-465 1 Kimesville NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-473 1 Timberlake NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-500 9 Saxapahaw NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-649 3 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2022-04-01   
743-649 4 Winston-Salem NC 624H ONVOY SPECTRUM, LLC 424   2022-04-01   
743-730 8 Rural Hall NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-832 2 King NC 624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-902 A Greensboro NC 624H ONVOY SPECTRUM, LLC 424      
743-902 9 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-06-14   
743-910 4 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
743-910 5 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
743-910 6 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
743-910 7 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   
743-910 8 Greensboro NC 624H ONVOY SPECTRUM, LLC 424   2021-11-16   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.