| General Information about Area Code 520 | |
|---|---|
| Country | United States |
| State / Province / Territory | Arizona |
| Major City | Tucson |
| Time Zone | Mountain (UTC-07:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 520-615 | Tucson | Pima | Landline |
| 520-586 | Benson | Cochise | Landline |
| 520-495 | Tucson | Pima | Landline |
| 520-729 | Tucson | Pima | Wireless |
| 520-766 | Willcox | Cochise | Landline |
| 520-620 | Tucson | Pima | Landline |
| 520-704 | Tucson | Pima | Wireless |
| 520-881 | Tucson | Pima | Landline |
| 520-578 | Tucson | Pima | Landline |
| 520-413 | Phoenix | Maricopa | Landline |
| 520-491 | Flagstaff | Coconino | Wireless |
| 520-642 | Mc Neal | Cochise | Landline |
| 520-616 | Marana | Pima | Landline |
| 520-670 | Tucson | Pima | Landline |
| 520-284 | Tucson | Pima | Landline |
| 520-845 | San Simon | Cochise | Landline |
| 520-265 | Benson | Cochise | Wireless |
| 520-424 | Stanfield | Pinal | Landline |
| 520-635 | Casa Grande | Pinal | Wireless |
| 520-869 | Tucson | Pima | Wireless |