ZIP CodesOhio ZIP codes: every city, town and county
1,416 ZIP codes of Ohio (OH), listed by place and by county. Every code of the state starts with 4.
Ohio at a glance
- ZIP codes in this list
- 1,416
- Lowest and highest
- 43001 to 45999
- First digit
- 4
- Three-digit prefixes
- 30, from 430 to 459
- Counties or equivalent areas
- 88
- Places named
- 1,063
- Most codes for one place
- Cincinnati (71)
- Largest ZIP code area
- 45601 Chillicothe, 349 sq mi
By county
- Adams County 9
- Allen County 13
- Ashland County 10
- Ashtabula County 17
- Athens County 19
- Auglaize County 11
- Belmont County 26
- Brown County 12
- Butler County 21
- Carroll County 7
- Champaign County 10
- Clark County 15
- Clermont County 16
- Clinton County 10
- Columbiana County 21
- Coshocton County 10
- Crawford County 9
- Cuyahoga County 62
- Darke County 15
- Defiance County 8
- Delaware County 10
- Erie County 9
- Fairfield County 14
- Fayette County 4
- Franklin County 63
- Fulton County 8
- Gallia County 9
- Geauga County 13
- Greene County 13
- Guernsey County 14
- Hamilton County 78
- Hancock County 13
- Hardin County 10
- Harrison County 11
- Henry County 12
- Highland County 7
- Hocking County 8
- Holmes County 12
- Huron County 11
- Jackson County 4
- Jefferson County 23
- Knox County 10
- Lake County 11
- Lawrence County 10
- Licking County 20
- Logan County 14
- Lorain County 16
- Lucas County 42
- Madison County 6
- Mahoning County 32
- Marion County 10
- Medina County 16
- Meigs County 11
- Mercer County 10
- Miami County 14
- Monroe County 12
- Montgomery County 51
- Morgan County 4
- Morrow County 9
- Muskingum County 18
- Noble County 6
- Ottawa County 16
- Paulding County 9
- Perry County 11
- Pickaway County 9
- Pike County 8
- Portage County 17
- Preble County 10
- Putnam County 14
- Richland County 14
- Ross County 11
- Sandusky County 8
- Scioto County 15
- Seneca County 14
- Shelby County 12
- Stark County 42
- Summit County 48
- Trumbull County 28
- Tuscarawas County 20
- Union County 9
- Van Wert County 9
- Vinton County 7
- Warren County 12
- Washington County 20
- Wayne County 16
- Williams County 10
- Wood County 30
- Wyandot County 8
By city or town
No place in Ohio matches. Try fewer letters, or the look-up for the whole country.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. Not connected with the United States Postal Service; for mailing, confirm the address with USPS.