| 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 |
|---|---|---|---|
| 904-203 | Middleburg | Clay | Landline |
| 904-738 | Jacksonville | Duval | Wireless |
| 904-347 | Saint Augustine | Saint Johns | Wireless |
| 904-681 | Jacksonville | Duval | Landline |
| 904-810 | Saint Augustine | Saint Johns | Landline |
| 904-306 | Jacksonville | Duval | Landline |
| 904-623 | Jacksonville | Duval | Landline |
| 904-368 | Starke | Bradford | Landline |
| 904-261 | Fernandina Beach | Nassau | Landline |
| 904-598 | Jacksonville | Duval | Landline |
| 904-713 | Jacksonville | Duval | Landline |
| 904-534 | Jacksonville | Duval | Wireless |
| 904-677 | Jacksonville | Duval | Landline |
| 904-497 | Jacksonville | Duval | Wireless |
| 904-250 | Jacksonville | Duval | Wireless |
| 904-350 | Jacksonville | Duval | Landline |
| 904-509 | Jacksonville | Duval | Wireless |
| 904-765 | Jacksonville | Duval | Landline |
| 904-703 | Jacksonville | Duval | Wireless |
| 904-458 | Jacksonville | Duval | Landline |