Area code 321 serves Brevard County, Florida, the space coast region, and Seminole County, Florida. The area code was first supposed to be working in Chicago but after the petition of locals to celebrate the impact of the space coast on Brevard county. And since 1999 it has been in service in Florida.

History:
In 2002, 321 worked as an overlay of area code 407in the area of Orlando. Leaving small parts of Volusia county including Deltona which was under area code 407 ( now it is under 386). From 2003, they stopped issuing 321 numbers in 407 areas till 2015. Due to the high usage and demand of 321 numbers in Osceola, Orange, and Seminole counties 321 codes started their service by being issued on mobile phones. It led to 407/689 overlay. Causing 321 stuck in Orlando part and then 321 again assigned only in Brevard county.
It uses central office code 988. This might have created an issue as 988 is a three-digit code. So after that in 2020, the federal communication commission has ordered a ten-digit number in 82 area codes including 321. According to the North American numbering plan, 321 will start working as 10 digits in October 2021.
Location:
The area code serves the U.S state of Florida and the major city included in this area code is Orlando.
Timezone:
The Eastern time zone is the time zone served by the 321 area code. The other name for the Eastern time zone is the American/New York time zone.
Counties under 321 code:
| COUNTIES | TOTAL POPULATION | % OF 321 | % OF COUNTY |
| Orange | 1,145,965 | 28% | 98% |
| Seminole | 422,718 | 10% | 100% |
| Osceola | 268,658 | 43% | 100% |
| Brevard | 543,376 | 16% | 36% |
Cities under 321 code
| CITIES | TOTAL POPULATION | % OF 321 | % OF CITIES |
| Orlando | 238,300 | 3% | 100% |
| Alafaya | 78,113 | 1% | 100% |
| Pine hills | 60,076 | 0% | 100% |
| Kissimmee | 59,682 | 1% | 100% |
| Sanford | 53,570 | 1% | 100% |
| Titusville | 43,761 | 1% | 100% |
| Apopka | 41,542 | 1% | 100% |
| Altamonte springs | 41,496 | 0% | 100% |
| Ocoee | 35,579 | 0% | 100% |
| St. cloud | 35,183 | 1% | 100% |
| Winter garden | 34,568 | 0% | 100% |
| Oviedo | 33,342 | 0% | 100% |
| Winter springs | 33,282 | 0% | 100% |
| University | 31,084 | 0% | 100% |
| Winter park | 27,852 | 0% | 100% |
| Casselberry | 26,241 | 0% | 100% |
| Buenaventura lakes | 26,079 | 0% | 100% |
| Poinciana | 53,193 | 1% | 100% |
| Meadow woods | 25,558 | 0% | 100% |
| Oak ridge | 22,685 | 0% | 100% |
| Wekiwa springs | 21,998 | 0% | 100% |
| Coca | 17,140 | 0% | 100% |
| Southchase | 15,921 | 0% | 100% |
| Maitland | 15,751 | 0% | 100% |
| Lake butler | 15,400 | 1% | 100% |
| Hunters creek | 14,321 | 0% | 100% |
| Horizon west | 14,000 | 1% | 100% |
| Deltons | 85,182 | 0% | 16% |
| First city | 13,854 | 0% | 100% |
| Lake mary | 13,822 | 0% | 100% |
| Longwood | 13,657 | 0% | 100% |
| Four corner | 26,116 | 1% | 52% |
| Conway | 13,467 | 0% | 100% |
| Lockhart | 13,060 | 0% | 100% |
| Azalea park | 12,556 | 0% | 100% |
| Port st. John | 12,267 | 0% | 100% |
| Goldenrod | 12,039 | 0% | 100% |
| Doctor Phillips | 10,981 | 0% | 100% |
| Pine castle | 10,805 | 0% | 100% |
| Fairview Shores | 10,239 | 0% | 100% |
| Union park | 9,765 | 0% | 100% |
| Bithlo | 8,268 | 0% | 100% |
| Fern park | 7,704 | 0% | 100% |
| Williamsburg | 7,646 | 0% | 100% |
| Celebration | 7,427 | 0% | 100% |
| Mims | 7,058 | 1% | 100% |
| Wedgefield | 6,705 | 1% | 100% |
| Sky lake | 6,153 | 0% | 100% |
| Orlovista | 6,123 | 0% | 100% |
| Belle isle | 5,988 | 0% | 100% |
Frequently asked questions:
What is the 321 area code?
Area code 321 serves Brevard County, Florida, the space coast region, and Seminole County, Florida. The area code was first supposed to be working in Chicago but after the petition of locals to celebrate the impact of the space coast on Brevard county. And since 1999 it has been in service in Florida.
From which location is area code 321 coming from?
The area code serves the U.S state of Florida and the major city included in this area code is Orlando.
What is the time zone of area code 321?
The Eastern time zone is the time zone served by the 321 area code. The other name for the Eastern time zone is the American/New York time zone.
Is area code 321 toll-free?
No, if someone calls from this area code they must pay for the call charges according to the duration of the call either national or international.
Is area code 321 a scam?
If a scammer calls you they might use the old technique of being a customer service and wants you to disclose your personal information. When you receive such a call, cross-check the information they are giving from the internet. you find them suspicious, block the number immediately.
Conclusion:
321 serves Brevard County, Florida, the space coast district, and Seminole County, Florida. The region code was first expected to be working in Chicago yet after the appeal of local people to commend the effect of the space coast on Brevard province. What’s more, since 1999 it has been helping in Florida. In 2002, 321 filled in as an overlay of region code 407 in the space of Orlando. Leaving little pieces of Volusia district including Deltona which was under region code 407 ( presently it is under 386).321 utilizes focal office code 988. This may have made an issue as 988 is a three-digit code.
So after that in 2020, the government correspondence commission has requested a ten-digit number in 82 region codes including 321. As per the North American numbering plan, 321 will begin filling in as 10 digits in October 2021. The region code serves the U.S territory of Florida and the significant city remembered for this space code is Orlando. The Eastern time region is the time region served by the 321 region code. The other name for the Eastern time region is the American/New York time region.
For more, you may also read the area code 831