| General Information about Area Code 321 | |
|---|---|
| Country | United States |
| State / Province / Territory | Florida |
| Major City | Melbourne |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 321-400 | Orlando | Orange | Landline |
| 321-297 | Orlando | Orange | Wireless |
| 321-674 | Indialantic | Brevard | Landline |
| 321-258 | Cocoa | Brevard | Wireless |
| 321-255 | Melbourne | Brevard | Landline |
| 321-765 | Oviedo | Seminole | Landline |
| 321-945 | Orlando | Orange | Wireless |
| 321-283 | Sanford | Seminole | Landline |
| 321-264 | Titusville | Brevard | Landline |
| 321-474 | Cocoa | Brevard | Wireless |
| 321-280 | Winter Park | Orange | Wireless |
| 321-270 | Orlando | Orange | Landline |
| 321-728 | Indialantic | Brevard | Landline |
| 321-600 | Melbourne | Brevard | Landline |
| 321-368 | Cocoa | Brevard | Wireless |
| 321-512 | Orlando | Orange | Wireless |
| 321-271 | Cocoa | Brevard | Wireless |
| 321-504 | Cocoa | Brevard | Landline |
| 321-436 | Orlando | Orange | Wireless |
| 321-356 | Winter Park | Orange | Wireless |