| 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 |
|---|---|---|---|
| 520-582 | Phoenix | Maricopa | Landline |
| 520-562 | Chandler | Maricopa | Landline |
| 520-334 | Tucson | Pima | Wireless |
| 520-924 | Rio Rico | Santa Cruz | Landline |
| 520-727 | Douglas | Cochise | Wireless |
| 520-990 | Phoenix | Maricopa | Wireless |
| 520-690 | Tucson | Pima | Landline |
| 520-806 | Tucson | Pima | Landline |
| 520-751 | Tucson | Pima | Landline |
| 520-663 | Tucson | Pima | Landline |
| 520-281 | Rio Rico | Santa Cruz | Landline |
| 520-816 | Tucson | Pima | Wireless |
| 520-907 | Tucson | Pima | Wireless |
| 520-624 | Tucson | Pima | Landline |
| 520-696 | Tucson | Pima | Landline |
| 520-981 | Tucson | Pima | Wireless |
| 520-344 | Tucson | Pima | Landline |
| 520-342 | Tucson | Pima | Landline |
| 520-388 | Tucson | Pima | Landline |
| 520-389 | Tucson | Pima | Wireless |