Find the last 4 digits (ZIP+4) for an address in 52340

ZIP 52340, Tiffin, IA is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 52340 – Tiffin, IA

Tiffin, Iowa · Johnson County · Central time

ZIP code52340
CityTiffin
StateIowa
CountyJohnson County
Population6,128
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area19.05 sq mi
Center (lat, long)41.7056, -91.6767

Area codes in this area

319

These are the area codes that most often serve ZIP 52340 (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

52241 Coralville · 4.1 mi52322 Oxford · 4.5 mi52317 North Liberty · 4.8 mi52246 Iowa City · 5.7 mi52242 Iowa City · 7.5 mi52338 Swisher · 7.9 mi52243 Iowa City · 8.1 mi52245 Iowa City · 8.8 mi

About ZIP 52340

ZIP code 52340 is assigned to Tiffin, Iowa. It lies in Johnson County. Its Census area covers about 19.05 square miles of land. The closest neighboring ZIP is 52241 (Coralville), about 4.1 miles away.

Every address in 52340 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