ZIP codes in Hamilton County, Ohio Hamilton County, Ohio has 78 ZIP codes in this list, from 45001 to 45999. They cover 10 places, among them Cincinnati, Addyston, Cleves and Harrison.
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ZIP code Place Land area (sq mi) Map point 45001 Addyston 0.9 39.137, -84.710 45002 Cleves 25.6 39.194, -84.734 45030 Harrison 40.1 39.259, -84.784 45033 Hooven 0.3 39.177, -84.763 45041 Miamitown 0.2 39.216, -84.704 45051 Mount Saint Joseph 0.5 39.096, -84.643 45052 North Bend 13.3 39.154, -84.727 45111 Camp Dennison 1.1 39.196, -84.290 45174 Terrace Park 1.2 39.160, -84.310 45201 Cincinnati no area 39.167, -84.538 45202 Cincinnati 2.7 39.107, -84.502 45203 Cincinnati 1.2 39.108, -84.526 45204 Cincinnati 3.1 39.096, -84.572 45205 Cincinnati 2.8 39.110, -84.576 45206 Cincinnati 2.0 39.127, -84.485 45207 Cincinnati 1.2 39.140, -84.471 45208 Cincinnati 4.3 39.136, -84.436 45209 Cincinnati 2.3 39.152, -84.428 45211 Cincinnati 9.0 39.152, -84.597 45212 Cincinnati 3.7 39.164, -84.452 45213 Cincinnati 3.1 39.180, -84.420 45214 Cincinnati 2.7 39.122, -84.551 45215 Cincinnati 12.0 39.235, -84.462 45216 Cincinnati 2.8 39.200, -84.486 45217 Cincinnati 2.2 39.166, -84.496 45218 Cincinnati 1.3 39.266, -84.522 45219 Cincinnati 1.6 39.127, -84.513 45220 Cincinnati 2.9 39.143, -84.522 45221 Cincinnati no area 39.167, -84.538 45222 Cincinnati no area 39.167, -84.538 45223 Cincinnati 4.6 39.170, -84.548 45224 Cincinnati 6.1 39.199, -84.525 45225 Cincinnati 2.9 39.145, -84.553 45226 Cincinnati 5.7 39.117, -84.431 45227 Cincinnati 5.8 39.154, -84.385 45229 Cincinnati 2.7 39.149, -84.489 45230 Cincinnati 13.7 39.071, -84.376 45231 Cincinnati 14.8 39.242, -84.544 45232 Cincinnati 4.0 39.186, -84.514 45233 Cincinnati 10.8 39.111, -84.659 45234 Cincinnati no area 39.167, -84.538 45235 Cincinnati no area 39.167, -84.538 45236 Cincinnati 6.9 39.210, -84.395 45237 Cincinnati 6.1 39.188, -84.458 45238 Cincinnati 10.3 39.109, -84.611 45239 Cincinnati 6.3 39.205, -84.580 45240 Cincinnati 9.7 39.285, -84.529 45241 Cincinnati 17.5 39.264, -84.409 45242 Cincinnati 13.6 39.245, -84.346 45243 Cincinnati 19.4 39.185, -84.345 45244 Cincinnati 21.7 39.119, -84.351 45246 Cincinnati 9.4 39.284, -84.474 45247 Cincinnati 21.2 39.221, -84.642 45248 Cincinnati 11.4 39.165, -84.662 45249 Cincinnati 6.8 39.269, -84.331 45250 Cincinnati no area 39.167, -84.538 45251 Cincinnati 11.9 39.267, -84.599 45252 Cincinnati 11.3 39.267, -84.628 45253 Cincinnati no area 39.167, -84.538 45254 Cincinnati no area 39.167, -84.538 45255 Cincinnati 12.9 39.058, -84.340 45258 Cincinnati no area 39.167, -84.538 45262 Cincinnati no area 39.167, -84.538 45263 Cincinnati no area 39.167, -84.538 45264 Cincinnati no area 39.167, -84.538 45267 Cincinnati 0.0 39.167, -84.538 45268 Cincinnati no area 39.167, -84.538 45269 Cincinnati no area 39.167, -84.538 45270 Cincinnati no area 39.167, -84.538 45271 Cincinnati no area 39.167, -84.538 45273 Cincinnati no area 39.167, -84.538 45274 Cincinnati no area 39.167, -84.538 45277 Cincinnati no area 39.167, -84.538 45280 Cincinnati no area 39.162, -84.457 45296 Cincinnati no area 39.167, -84.538 45298 Cincinnati no area 39.167, -84.538 45299 Cincinnati no area 39.262, -84.509 45999 Cincinnati no area 39.167, -84.538
The ZIP code areas of Hamilton County add up to about 412 square miles of land (1,066 sq km) as the Census Bureau draws them. The largest is 45030 (Harrison), with 40.1 square miles.
Places with more than one code here: Cincinnati (69 codes).
Using these codes In an address, the ZIP code comes last, after the city and the two-letter state: Addyston, OH 45001 . Tap a ZIP code to open it in the look-up, with a copy button for the address line. A code can cross a county line, and one town can have several codes. The table shows the main place of each code. "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building. 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.
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