| 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 |
|---|---|---|---|
| 904-289 | Jacksonville | Duval | Landline |
| 904-579 | Orange Park | Clay | Landline |
| 904-312 | Jacksonville | Duval | Wireless |
| 904-366 | Jacksonville | Duval | Landline |
| 904-987 | Jacksonville | Duval | Landline |
| 904-513 | Jacksonville | Duval | Landline |
| 904-291 | Middleburg | Clay | Landline |
| 904-607 | Jacksonville | Duval | Wireless |
| 904-279 | Jacksonville | Duval | Landline |
| 904-460 | Saint Augustine | Saint Johns | Landline |
| 904-207 | Jacksonville | Duval | Wireless |
| 904-720 | Jacksonville | Duval | Landline |
| 904-880 | Jacksonville | Duval | Landline |
| 904-507 | Callahan | Nassau | Wireless |
| 904-270 | Jacksonville | Duval | Landline |
| 904-783 | Jacksonville | Duval | Landline |
| 904-315 | Saint Augustine | Saint Johns | Wireless |
| 904-296 | Jacksonville | Duval | Landline |
| 904-487 | Jacksonville | Duval | Wireless |
| 904-672 | Jacksonville | Duval | Landline |