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: CSBYORXXX1X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
458-230 A Coos Bay OR 750E ONVOY, LLC - OR 670      
458-230 6 Coos Bay OR 750E ONVOY, LLC - OR 670   2024-08-25   
458-230 7 Coos Bay OR 750E ONVOY, LLC - OR 670   2024-03-01   
458-230 8 Coos Bay OR 750E ONVOY, LLC - OR 670   2023-10-21   
458-230 9 Coos Bay OR 750E ONVOY, LLC - OR 670   2022-10-28   
458-260 2 Brookings OR 750E ONVOY, LLC - OR 670   2024-08-12   
458-260 4 Brookings OR 750E ONVOY, LLC - OR 670   2024-03-03   
458-260 5 Brookings OR 750E ONVOY, LLC - OR 670   2024-06-07   
458-324 A Gold Beach OR 750E ONVOY, LLC - OR 670   2024-06-17   
458-324 0 Gold Beach OR 750E ONVOY, LLC - OR 670   2024-06-17   
458-455 0 Coos Bay OR 750E ONVOY, LLC - OR 670   2024-03-01   
458-455 1 Coos Bay OR 750E ONVOY, LLC - OR 670   2024-04-04   
458-455 6 Coos Bay OR 750E ONVOY, LLC - OR 670   2024-09-15   
458-455 7 Coos Bay OR 750E ONVOY, LLC - OR 670   2024-09-15   
458-455 8 Coos Bay OR 750E ONVOY, LLC - OR 670   2024-04-04   
458-710 A Coos Bay OR 750E ONVOY, LLC - OR 670      
458-710 6 Coos Bay OR 750E ONVOY, LLC - OR 670   2024-07-20   
458-710 9 Coos Bay OR 750E ONVOY, LLC - OR 670   2021-07-11   
541-541 A Brookings OR 750E ONVOY, LLC - OR 670   2024-10-18   
541-541 0 Brookings OR 750E ONVOY, LLC - OR 670   2024-10-18   
541-541 1 Brookings OR 750E ONVOY, LLC - OR 670   2024-10-19   
541-541 8 Brookings OR 750E ONVOY, LLC - OR 670   2024-12-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.