Canadial Know Who Called
← Area code 405

405-804 phone numbers

Numbers 405-804-0000 to 405-804-9999 are assigned to Onvoy Spectrum, LLC in Spencer, OK. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 405-804-3xxx, 405-804-4xxx, 405-804-5xxx, 405-804-6xxx, 405-804-7xxx, 405-804-9xxx — calls from these use spoofed caller IDs.

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 405-804