| 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 |
|---|---|---|---|
| 520-444 | Tucson | Pima | Wireless |
| 520-440 | Tucson | Pima | Wireless |
| 520-314 | Tucson | Pima | Landline |
| 520-487 | Mammoth | Pinal | Landline |
| 520-557 | Tucson | Pima | Wireless |
| 520-628 | Tucson | Pima | Landline |
| 520-490 | Tucson | Pima | Wireless |
| 520-283 | Tucson | Pima | Wireless |
| 520-325 | Tucson | Pima | Landline |
| 520-259 | Tucson | Pima | Landline |
| 520-215 | Valley Farms | Pinal | Landline |
| 520-571 | Tucson | Pima | Landline |
| 520-912 | Tucson | Pima | Wireless |
| 520-873 | Tucson | Pima | Landline |
| 520-256 | Phoenix | Maricopa | Wireless |
| 520-207 | Chandler | Maricopa | Landline |
| 520-312 | Tucson | Pima | Wireless |
| 520-612 | Tucson | Pima | Landline |
| 520-827 | Superior | Pinal | Wireless |
| 520-888 | Tucson | Pima | Landline |