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.

NPA: 417 [Rate centres in NPA 417] [Dial plan for NPA 417]

NXX: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-570 A Branson MO BASNMOXA0MD  318J COMCAST IP PHONE, LLC 522      
417-570 1 Branson MO BASNMOXA0MD  318J COMCAST IP PHONE, LLC 522   2023-05-26   
417-570 2 Branson MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2023-10-22   
417-570 3 Branson MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2023-10-22   
417-570 4 Branson MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2023-10-22   
417-570 5 Branson MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2023-10-22   
417-570 6 Branson MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2023-10-22   
417-570 7 Branson MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2023-10-22   
417-570 8 Branson MO BASNMOXAXJX  093F ONVOY, LLC - MO 522   2023-10-22   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.