| District of Florida area codes: 321 | |
|---|---|
| Country | United States |
| State/Province | Florida |
| Major City | Orlando |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 321-307 | Brevard | Cocoa, FL | Cellco Partnership DBA Verizon Wireless |
| 321-308 | Brevard | Melbourne, FL | Telcove Investment |
| 321-309 | Brevard | Melbourne, FL | Telcove Investment |
| 321-312 | Brevard | Melbourne, FL | Bandwidth.com Clec |
| 321-313 | Brevard | Cocoa, FL | Cellco Partnership DBA Verizon Wireless |
| 321-316 | Orange | Winter Park, FL | Aerial Communications |
| 321-319 | Orange | Orlando, FL | Florida Digital Network |
| 321-322 | Orange | Apopka, FL | Deltacom |
| 321-323 | Brevard | Cocoa Beach, FL | Tw Telecom Of Florida L/p. |
| 321-325 | Seminole | Geneva, FL | Sbc Internet Services |
| 321-327 | Brevard | Melbourne, FL | AT&T Local |
| 321-328 | Brevard | Cocoa Beach, FL | Bellsouth Telecomm Inc DBA Southern Bell Tel & |
| 321-329 | Osceola | Kissimmee, FL | Smart City Solutions Dab Smart City Comm. |
| 321-331 | Orange | Orlando, FL | Sprint Spectrum L.p. |
| 321-332 | Orange | Orlando, FL | Level 3 Communications |
| 321-333 | Osceola | Kissimmee, FL | Terra Nova Telecom |
| 321-334 | Brevard | Cocoa, FL | Priority Paging |
| 321-335 | Brevard | Cocoa, FL | Priority Paging |
| 321-336 | Brevard | Cocoa Beach, FL | Terra Nova Telecom |
| 321-337 | Osceola | Kissimmee, FL | Aerial Communications |
There are 353 prefixes, In the code area, the major cities are Altamonte Springs, FL;Apopka, FL;Casselberry, FL;K. The major city is Orlando.