| 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 |
|---|---|---|---|
| 904-860 | Jacksonville | Duval | Wireless |
| 904-491 | Fernandina Beach | Nassau | Landline |
| 904-992 | Jacksonville Beach | Duval | Landline |
| 904-797 | Saint Augustine | Saint Johns | Landline |
| 904-384 | Jacksonville | Duval | Landline |
| 904-307 | Jacksonville | Duval | Wireless |
| 904-225 | Yulee | Nassau | Landline |
| 904-550 | - | - | - |
| 904-459 | Jacksonville | Duval | Wireless |
| 904-292 | Jacksonville | Duval | Landline |
| 904-622 | Orange Park | Clay | Landline |
| 904-242 | Jacksonville | Duval | Landline |
| 904-609 | Jacksonville | Duval | Wireless |
| 904-859 | Jacksonville | Duval | Wireless |
| 904-596 | Jacksonville | Duval | Landline |
| 904-818 | Jacksonville | Duval | Wireless |
| 904-626 | Jacksonville | Duval | Wireless |
| 904-321 | Fernandina Beach | Nassau | Landline |
| 904-629 | Jacksonville | Duval | Wireless |
| 904-265 | Jacksonville | Duval | Landline |