Search numbers reported to the U.S. Federal Commissions beginning with area code 520
Area code 520 belongs to ARIZONA, UNITED STATES. It is a General Purpose Code which was placed in service on 1995-03-19.
| Type | General Purpose Code |
| Use | Geograpic |
| Location | ARIZONA |
| Country | UNITED STATES |
| Service Date | 1995-03-19 |
| Service |