Area code 436 – Ohio, no numbers issued yet
436 has served Ohio since 2024, split from 440. 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 440, so local calls take all ten digits.
Timeline
- 2024 436 goes into service, split from or overlaid on 440.
- 2026 As of 1 November 2026, no number blocks have been assigned in this code.
More about 436
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 436
What state is area code 436?
Ohio. It covers the same area as 436/440.
I got a call from 436 – is it real?
It cannot be a genuine subscriber: NANPA records show no number blocks assigned in 436, so no one has a number in it. A caller ID showing 436 is spoofed.
Do I need to dial 10 digits in 436?
Yes – ten digits for local calls in 436, 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.