Area code 436: Ohio
Area code 436 is a US state area code for Ohio, on Eastern Time. It shares its area with 440, so local numbers there can start with any of them. Local calls there take 10 digits.
Local time in area code 436
America/New_York
Prefixes in service
No public data
Too new for prefix data
Area code 436 facts
| Location | Ohio, United States |
|---|---|
| Time zone | Eastern Time |
| Overlays | 440 |
| Overlay of | 440 |
| In service since | March 1, 2024 |
| Local calls | 10 digits; toll calls 1 + 10 digits |
| Carrier | Not shown. An area code is where a number was issued; numbers port between carriers. Check line type |
How do I dial a 436 number?
NANPA's dialling plan for 436: local calls inside the code take 10 digits, toll calls 1 + 10 digits. From another area code, dial 1 first. From abroad, use +1. The examples use 555-0147, from a range reserved for fictional numbers.
| Local call inside 436 | 436-555-0147 |
|---|---|
| From another US or Canadian area code | 1-436-555-0147 |
| From outside North America | +1 436 555 0147 |
| E.164, for CRMs and SMS tools | +14365550147 |
When did area code 436 start?
Area code 436 went into service on March 1, 2024 as an overlay of 440. Today 436 and 440 cover the same area as an overlay, which is why 10-digit dialling is needed for local calls there.
Tools for 436 numbers
- Area code lookup
Look up any code or a whole list of numbers, or find the codes for a state or city.
- Area code time zone
Local time for a list of numbers, with a callable-now flag.
- NPA-NXX lookup
Rate center and state for one prefix, a level below the area code.
- TCPA calling hours checker
Whether it's inside the federal 8 a.m. to 9 p.m. calling window there now.
Next step
A 436 number tells you where it was issued, not what it is now.
Mobiles, landlines and VoIP lines share area codes, and numbers move between carriers. A live line-type and carrier lookup on every number in your list says which is which, and that decides which calling and texting rules apply. It's in the Email + Phone plan.
- Drop your list as a CSV
- See its rows, duplicates and bad formats, free
- 100 free email checks when you sign in with Google, no card
Ready to verify now? See the Email + Phone plan
Area code 436 questions
- What state is area code 436?
- Area code 436 is in Ohio, United States.
- What time zone is area code 436 in?
- Eastern Time.
- What area codes overlay 436?
- 440. An overlay adds a new code to the same area instead of splitting it, so neighbours can have different area codes and local calls need 10 digits.
- When did area code 436 start?
- Area code 436 went into service on March 1, 2024 as an overlay of 440.
- Is a 436 number a cell phone or a landline?
- The area code can't tell you. In the US and Canada mobiles, landlines and VoIP lines share area codes and prefixes, and numbers move between carriers and line types. Only a live line-type lookup answers it for one number.
Other area codes in Ohio
Sources
Location, overlays, in-service date and dialling plan: NANPA NPA database, file dated 10/16/2026. Prefixes and rate centers: NANPA central office code assignments, 10/17/2026. Time zones mapped to the IANA time zone database. By the SimpleVerifier Team; how we build these pages.