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← Area code 520

520-806 phone numbers

Numbers 520-806-0000 to 520-806-9999 are assigned to Qwest Corporation in Tucson, AZ.

Not assigned to any carrier: 520-806-6xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 520-806