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: CNCNOHWSX8Z

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
283-204 0 Morning Sun OH 624H ONVOY SPECTRUM, LLC 922   2025-01-18   
283-206 1 Williamsburg OH 624H ONVOY SPECTRUM, LLC 922   2025-01-18   
283-207 8 Shandon OH 624H ONVOY SPECTRUM, LLC 922   2025-01-18   
283-212 8 Hamilton OH 624H ONVOY SPECTRUM, LLC 922   2023-11-29   
283-212 9 Hamilton OH 624H ONVOY SPECTRUM, LLC 922   2023-11-29   
283-216 8 Bethany OH 624H ONVOY SPECTRUM, LLC 922   2025-01-18   
283-218 5 Clermont OH 624H ONVOY SPECTRUM, LLC 922   2025-01-18   
283-228 1 Seven Mile OH 624H ONVOY SPECTRUM, LLC 922   2025-01-18   
283-283 A Cincinnati OH 624H ONVOY SPECTRUM, LLC 922      
283-283 0 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-09-05   
283-283 1 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-09-05   
283-283 2 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-09-05   
283-283 3 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-09-05   
283-283 4 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-09-05   
283-283 5 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-09-05   
283-283 6 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-09-05   
283-283 7 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-09-05   
283-283 8 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-09-05   
283-283 9 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-09-05   
283-888 0 Hamilton OH 624H ONVOY SPECTRUM, LLC 922   2023-11-29   
283-888 1 Hamilton OH 624H ONVOY SPECTRUM, LLC 922   2023-11-29   
283-888 9 Hamilton OH 624H ONVOY SPECTRUM, LLC 922   2023-11-29   
513-220 3 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-05-12   
513-220 4 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-05-12   
513-220 5 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-05-12   
513-220 7 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-05-12   
513-220 8 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-05-12   
513-294 9 Newtonsville OH 624H ONVOY SPECTRUM, LLC 922   2025-01-18   
513-442 1 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2024-12-06   
513-442 3 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2024-12-06   
513-442 5 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2024-12-06   
513-653 9 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2021-11-12   
513-656 2 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-06-23   
513-656 3 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-06-23   
513-656 4 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2023-06-23   
513-743 0 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2021-11-12   
513-756 5 Reily OH 624H ONVOY SPECTRUM, LLC 922   2025-01-18   
513-778 0 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2021-11-12   
513-778 2 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2021-02-23   
513-778 3 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2021-02-23   
513-778 4 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2021-02-23   
513-778 5 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2021-02-23   
513-778 6 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2021-02-23   
513-778 7 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2021-11-12   
513-790 8 Hamilton OH 624H ONVOY SPECTRUM, LLC 922   2022-05-01   
513-810 A Cincinnati OH 624H ONVOY SPECTRUM, LLC 922      
513-810 0 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2020-07-10   
513-810 1 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2020-07-10   
513-810 8 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2019-12-09   
513-810 9 Cincinnati OH 624H ONVOY SPECTRUM, LLC 922   2020-07-10   

1 2 >>

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.