321 Area Code — Florida
321 is a North American Numbering Plan area code for Florida, the United States. It covers about 2,782,671 people in 40 towns and 149 ZIP codes, including Orlando, Kissimmee and Melbourne.
| Field | Value |
|---|---|
| Area code | 321 |
| Country | United States (+1) |
| State / province | Florida |
| Type | Shares its towns with 407, 689 |
| Time zone | Eastern |
| Population covered | 2,782,671 |
| Towns covered | 40 |
| ZIP codes | 149 |
| Approx. centre | 28.478, -81.179 |
Where area code 321 is used
Area code 321 is assigned to Florida, the United States, inside the North American Numbering Plan. Numbers in the code are written (321) NXX-XXXX at home and +1 321 NXX-XXXX when dialled from outside Canada and the United States. Since the NANP moved to 10-digit dialling you must always include the area code, even for a local call.
Other area codes in this footprint: 407, 689. They serve towns in the same territory, so a single street can contain numbers from more than one code. That is normal in the NANP and does not change how you dial.
Towns and cities in area code 321
The 40 towns below are the largest in the 321 footprint, ranked by population. Every one of them links to its own page with the full list of area codes and ZIP codes for that town.
| Town | County | Population | ZIP codes |
|---|---|---|---|
| Orlando | Orange County | 1,093,019 | 59 |
| Kissimmee | Osceola County | 348,118 | 9 |
| Melbourne | Brevard County | 178,420 | 10 |
| Apopka | Orange County | 109,852 | 3 |
| Saint Cloud | Osceola County | 106,667 | 5 |
| Winter Garden | Orange County | 101,441 | 3 |
| Sanford | Seminole County | 96,638 | 3 |
| Winter Park | Orange County | 80,764 | 4 |
| Oviedo | Seminole County | 80,698 | 3 |
| Cocoa | Brevard County | 67,424 | 5 |
| Altamonte Springs | Seminole County | 62,497 | 4 |
| Titusville | Brevard County | 60,286 | 4 |
Counties covered
| County | ZIP codes |
|---|---|
| Orange County | 75 |
| Brevard County | 37 |
| Seminole County | 20 |
| Osceola County | 14 |
| Volusia County | 1 |
| Lake County | 1 |
| Polk County | 1 |
Other area codes serving the same towns
Nearby area codes
How to dial area code 321
- Within North America: 321 + 7-digit number (321-NXX-XXXX). The leading 1 is optional on a mobile phone and required on most landlines for long-distance.
- From abroad: your country's international prefix, then 1, then 321, then the 7-digit number — for example 00 1 321 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 321?
321 is a North American Numbering Plan area code assigned to Florida, the United States. It covers about 2,782,671 people in 40 towns.
Is 321 a US or Canadian area code?
321 is a United States area code. Canada and the United States share the +1 country code, so both are part of the same numbering plan.
What time zone is area code 321 in?
Area code 321 is in the Eastern time zone.
Do I have to dial 10 digits?
Yes. Every NANP call now requires the area code plus the seven-digit number, even for a local call.