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Sent TeamMar 8, 2026 / area code / Article

Area Code 321: Florida's Space Coast and Telecom Details

Explore area code 321, an overlay serving Florida's Space Coast, including Brevard & Seminole counties. Details its 1999 implementation, major cities (Orlando, Melbourne), and telecom specifications. Understand FCC/NANPA regulatory compliance and the shift to 10-digit dialing since 2021.

Frequently Asked Questions

What area code is Orlando, Florida located in?

When was area code 321 implemented in Florida?

Why was area code 321 chosen for Florida's Space Coast?

What counties are primarily covered by area code 321?

Is area code 321 an overlay code? What does that mean?

What are the major cities covered by Florida's 321 area code?

What is the latitude and longitude of Melbourne, Florida within area code 321?

Which major telecom carriers provide service in area code 321?

Who regulates area code 321 in Florida?

Why is 10-digit dialing mandatory for area code 321?

When did 321 area code numbers start being issued for cell phones in Osceola, Orange, and Seminole counties?

When did area code 321 expand its usage to the Orlando area?

What are some important historical milestones associated with area code 321?

What area code is Melbourne Florida?

What area code is Orlando Florida?

Why does area code 321 exist?

How to dial area code 321?

When was 10-digit dialing required for 321?

Where is area code 321 located?

What is the area code 321 overlay?

What cities are in area code 321 Florida?

When should I use area code 321?

Can I use 7-digit dialing for 321?

What is the history of area code 321?