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  5. Area Code 321

Where Is Area Code 321?

Area code 321 is found in the US state of Florida. Primarily servicing the city of Alexandria (population: 140658), area code 321 covers 1 county of Florida.

Located in the Eastern time zone, area code 321 is on the same time as New York, NY.

Area code 321 was brought into effect on November 1, 1999. 321 was split from the parent 407 area code.

Map of Florida with area code 321 highlighted

Counties in Area Code 321

  • Brevard.

Most Populous Cities in Area Code 321

City County City Population Time Zone
Melbourne Brevard 140,658 EST
Palm Bay Brevard 105,722 EST
Cocoa Brevard 66,234 EST
Titusville Brevard 55,162 EST
Merritt Island Brevard 42,942 EST
Rockledge Brevard 36,637 EST
Satellite Beach Brevard 25,149 EST
Cocoa Beach Brevard 13,665 EST
Indialantic Brevard 12,962 EST
Mims Brevard 11,393 EST
Melbourne Beach Brevard 10,750 EST
Cape Canaveral Brevard 9,919 EST
Sebastian Brevard 9,144 EST
Malabar Brevard 4,010 EST
Grant Brevard 2,264 EST
Patrick AFB Brevard 1,230 EST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last updated on July 3, 2015.