Area code 729 – Tennessee, no numbers issued yet
729 has served Tennessee since 2025, split from 423. No number blocks have been assigned in it yet, so no one currently has a number in this code. It shares its geography with overlay codes 423, so local calls take all ten digits.
Timeline
- 2025 729 goes into service, split from or overlaid on 423.
- 2026 As of 1 November 2026, no number blocks have been assigned in this code.
More about 729
Separate pages for the questions that need their own answer: what time it is there, what the complaint data says, who holds the number blocks, and how the code compares with the one it shares its area with.
Frequently asked about 729
What state is area code 729?
Tennessee. It covers the same area as 423/729.
I got a call from 729 – is it real?
It cannot be a genuine subscriber: NANPA records show no number blocks assigned in 729, so no one has a number in it. A caller ID showing 729 is spoofed.
Do I need to dial 10 digits in 729?
Yes – ten digits for local calls in 729, because it shares its area with another code.
Sources and verification
- NANPA – NPA Database (npa_report.csv), file date 11/01/2026, retrieved Nov 1, 2026
NANPA dialing note for this code: “10D”. Reviewed by the data desk. Spotted an error? Request a correction.