| General Information about Area Code 623 | |
|---|---|
| Country | United States |
| State / Province / Territory | Arizona |
| Major City | Phoenix |
| Time Zone | Mountain (UTC-07:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 623-977 | Youngtown | Maricopa | Landline |
| 623-979 | Glendale | Maricopa | Landline |
| 623-239 | Phoenix | Maricopa | Wireless |
| 623-499 | Phoenix | Maricopa | Landline |
| 623-846 | Phoenix | Maricopa | Landline |
| 623-848 | Phoenix | Maricopa | Landline |
| 623-228 | Phoenix | Maricopa | Landline |
| 623-383 | Phoenix | Maricopa | Wireless |
| 623-451 | Phoenix | Maricopa | Wireless |
| 623-298 | Phoenix | Maricopa | Landline |
| 623-772 | Phoenix | Maricopa | Landline |
| 623-800 | Phoenix | Maricopa | Landline |
| 623-242 | Phoenix | Maricopa | Landline |
| 623-376 | Sun City | Maricopa | Landline |
| 623-850 | Scottsdale | Maricopa | Landline |
| 623-934 | Phoenix | Maricopa | Landline |
| 623-463 | Phoenix | Maricopa | Landline |
| 623-433 | Phoenix | Maricopa | Wireless |
| 623-328 | Tonopah | Maricopa | Landline |
| 623-933 | Youngtown | Maricopa | Landline |