Find the last 4 digits (ZIP+4) for an address in 45240

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ZIP Code 45240 – Cincinnati, OH

Cincinnati, Ohio · Hamilton County · Eastern time

ZIP code45240
CityCincinnati
StateOhio
CountyHamilton County
Population29,600
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area9.68 sq mi
Center (lat, long)39.2862, -84.5260

Area codes in this area

283513

These are the area codes that most often serve ZIP 45240 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

45218 Cincinnati · 1.4 mi45299 Cincinnati · 1.9 mi45231 Cincinnati · 2.7 mi45014 Fairfield · 3.1 mi45246 Cincinnati · 3.3 mi45251 Cincinnati · 3.9 mi45215 Cincinnati · 4.9 mi45252 Cincinnati · 5.6 mi

About ZIP 45240

ZIP code 45240 is assigned to Cincinnati, Ohio. It lies in Hamilton County. Its Census area covers about 9.68 square miles of land. The closest neighboring ZIP is 45218 (Cincinnati), about 1.4 miles away.

Every address in 45240 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources