NumberingData

Area code 321 vs 689

321 and 689 are overlay codes: they cover the same ground in Florida, and a number in one is a local call to the other. 321 is the original, in service since 1999. 689 was added in 2019 because the first was filling up – that is what an overlay is for. Today 321 has 502 of 786 blocks assigned (63.9%) and 689 has 236 of 786 (30.0%), so a new number in the area now almost always comes from 689. In the 33 days to 30 October 2026, 321 drew 1,360 FTC complaints against 425 for 689 – 11th and 235th of 422 ranked codes. Older codes are spoofed more because they look more established. Neither code is better or safer than the other. They are the same geography, the same carriers and the same dialing rules; the difference is only how long each has existed and how full it is.

Side by side

321 689
In service since19992019
RegionFloridaFlorida
Blocks assigned502 of 786 (63.9%)236 of 786 (30%)
Largest block holderAT&T 28.3%Other CLEC / VoIP 25.4%
Complaints, 28 Sep – 30 Oct 20261,360 (#11)425 (#235)
Rate centers2116

Block share is allocation by the numbering administrator, not subscribers. Complaint counts cover 28 Sep – 30 Oct 2026 and measure how often each code is spoofed on caller ID.

Frequently asked

What is the difference between area codes 321 and 689?

None geographically – they overlay the same area, so the difference is age and how many numbers are left.

Do I need to dial the area code between 321 and 689?

Yes. Overlay areas use ten-digit dialing for local calls, including between the two codes. Seven digits reaches a recording.

Will a new number be 321 or 689?

Whichever has blocks left – currently 689, at 30.0% allocated against 63.9% for the other. Carriers draw from the code with free blocks, which is why the newer code spreads over time.

Is 321 or 689 more likely to be a spam call?

On the complaint data, 321 appears more often. But spoofing drives those counts, so this is about which code gets imitated, not which numbers are real.

Sources

Each code on its own: 321 · 689. All codes in Florida: Florida area codes.