| 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 |
|---|---|---|---|
| 520-921 | Sedona | Yavapai | Wireless |
| 520-621 | Tucson | Pima | Landline |
| 520-470 | Rio Rico | Santa Cruz | Wireless |
| 520-414 | Phoenix | Maricopa | Landline |
| 520-889 | Tucson | Pima | Landline |
| 520-664 | Tucson | Pima | Landline |
| 520-481 | Tucson | Pima | Wireless |
| 520-206 | Tucson | Pima | Landline |
| 520-858 | Casa Grande | Pinal | Landline |
| 520-212 | Tucson | Pima | Landline |
| 520-882 | Tucson | Pima | Landline |
| 520-741 | Tucson | Pima | Landline |
| 520-326 | Tucson | Pima | Landline |
| 520-723 | Coolidge | Pinal | Landline |
| 520-730 | Tucson | Pima | Wireless |
| 520-227 | Sierra Vista | Cochise | Wireless |
| 520-623 | Tucson | Pima | Landline |
| 520-591 | Tucson | Pima | Wireless |
| 520-239 | Tucson | Pima | Landline |
| 520-842 | Rio Rico | Santa Cruz | Landline |