321 area code
Cocoa area, Eastern Time.Area code 321 covers Cocoa, Melbourne, Orlando and 19 more places in Florida, on Eastern Time.
Right now in Cocoa
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer)
Calling hours: Every day, 8 AM to 8 PM (Florida law)
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Where 321 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 321 has 22. Each one's share is how many 321 numbers start there. Its biggest metro area is Palm Bay-Melbourne-Titusville, FL.
- Cocoa32%
- Melbourne17%
- Orlando14%
- Eau Gallie7%
- Titusville7%
- Cocoa Beach5%
- Winter Park5%
- Sanford3%
- Kissimmee3%
Also: Oviedo, Apopka, East Orange, St. Cloud, Geneva, West Kissimmee, Celebration, Kenansville, Montverde, Reedy Creek, Lake Buena Vista, Winter Garden + 1 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 321 number?
Sales calls to homes and cell phones have legal hours, set by Florida law. Hold every 321 number to them, since you can't tell a work line from a personal cell.
What applies to 321Every day, 8 AM to 8 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
- Florida lawEvery day, 8 AM to 8 PMAlso no more than 3 calls in 24 hours on the same subject.Fla. Stat. 501.616(6) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
The 321 area code
321 went into service on November 1, 1999, split off from 407. Local calls take all 10 digits.
- 1999321 starts
Source: NANPA area code database
Calling a list of 321 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
321 area code FAQ
What area code is 321?
321 is a Florida area code for Cocoa, Melbourne, Orlando, Eau Gallie and 18 more places.
What time zone is the 321 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
What are the calling hours for 321 numbers?
Every day, 8 AM to 8 PM, local time, under Florida law.
When did the 321 area code start?
On November 1, 1999. It was split from 407.
Calling 321 numbers? Reach more of them.
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