ShareYourGroupShareYourGroupZIP Codes

ZIP codes in Lake County, Ohio

Lake County, Ohio has 11 ZIP codes in this list, from 44045 to 44097. They cover 8 places, among them Mentor, Willoughby, Eastlake and Grand River.

ZIP codePlaceLand area (sq mi)Map point
44045Grand River0.941.743, -81.282
44057Madison50.241.805, -81.059
44060Mentor39.941.690, -81.342
44061Mentorno area41.666, -81.340
44077Painesville60.541.708, -81.199
44081Perry20.641.768, -81.143
44092Wickliffe7.441.605, -81.469
44094Willoughby39.741.630, -81.408
44095Eastlake9.141.659, -81.445
44096Willoughbyno area41.640, -81.406
44097Eastlakeno area41.654, -81.450

The ZIP code areas of Lake County add up to about 228 square miles of land (591 sq km) as the Census Bureau draws them. The largest is 44077 (Painesville), with 60.5 square miles.

Places with more than one code here: Mentor (2 codes), Willoughby (2 codes), Eastlake (2 codes).

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

All of Ohio ZIP look-up