Canadial Know Who Called
← Area code 520

520-552 phone numbers

Numbers 520-552-0000 to 520-552-9999 are assigned to Onvoy, LLC in Bisbee, AZ. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 520-552-5xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 520-552