| General Information about Area Code 904 | |
|---|---|
| Country | United States |
| State / Province / Territory | Florida |
| Major City | Jacksonville |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 904-574 | Jacksonville | Duval | Wireless |
| 904-683 | Jacksonville | Duval | Landline |
| 904-692 | Hastings | Saint Johns | Landline |
| 904-773 | Orange Park | Clay | Landline |
| 904-624 | Fernandina Beach | Nassau | Landline |
| 904-782 | Middleburg | Clay | Landline |
| 904-462 | Jacksonville | Duval | Landline |
| 904-403 | Jacksonville | Duval | Wireless |
| 904-858 | Jacksonville | Duval | Landline |
| 904-645 | Jacksonville | Duval | Landline |
| 904-434 | Jacksonville | Duval | Wireless |
| 904-489 | Jacksonville | Duval | Landline |
| 904-716 | Jacksonville | Duval | Wireless |
| 904-575 | Jacksonville | Duval | Wireless |
| 904-567 | Neptune Beach | Duval | Landline |
| 904-378 | Jacksonville | Duval | Landline |
| 904-828 | Jacksonville | Duval | Landline |
| 904-245 | Jacksonville | Duval | Landline |
| 904-266 | Jacksonville | Duval | Landline |
| 904-565 | Jacksonville | Duval | Landline |