Hamilton County, Ohio

54 ZIP codes · 405.45 sq mi of land · FIPS 39061

Population	830,774
State	Ohio
FIPS code	39061
Time zone	Eastern
Land area	405.45 sq mi
Center (lat, long)	39.1969, -84.5442

Area codes in this area

283 513

These are the area codes that most often serve Hamilton County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Cities and towns (largest first)

Cincinnati · 311,224AddystonClevesHarrisonHoovenMiamitownMount Saint JosephNorth BendCamp DennisonTerrace Park

ZIP codes in Hamilton County

45001 Addyston 45002 Cleves 45030 Harrison 45033 Hooven 45041 Miamitown 45051 Mount Saint Joseph 45052 North Bend 45111 Camp Dennison 45174 Terrace Park 45202 Cincinnati 45203 Cincinnati 45204 Cincinnati 45205 Cincinnati 45206 Cincinnati 45207 Cincinnati 45208 Cincinnati 45209 Cincinnati 45211 Cincinnati 45212 Cincinnati 45213 Cincinnati 45214 Cincinnati 45215 Cincinnati 45216 Cincinnati 45217 Cincinnati 45218 Cincinnati 45219 Cincinnati 45220 Cincinnati 45223 Cincinnati 45224 Cincinnati 45225 Cincinnati 45226 Cincinnati 45227 Cincinnati 45229 Cincinnati 45230 Cincinnati 45231 Cincinnati 45232 Cincinnati 45233 Cincinnati 45236 Cincinnati 45237 Cincinnati 45238 Cincinnati 45239 Cincinnati 45240 Cincinnati 45241 Cincinnati 45242 Cincinnati 45243 Cincinnati 45244 Cincinnati 45246 Cincinnati 45247 Cincinnati 45248 Cincinnati 45249 Cincinnati 45251 Cincinnati 45252 Cincinnati 45255 Cincinnati 45267 Cincinnati

Population: U.S. Census Bureau, ACS 5-year estimates, 2024.