Find the last 4 digits (ZIP+4) for an address in 52237

ZIP 52237, Hopkinton, IA is filled in. Just type the street address.

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ZIP Code 52237 – Hopkinton, IA

Hopkinton, Iowa · Delaware County · Central time

ZIP code52237
CityHopkinton
StateIowa
CountyDelaware CountyJones CountyDubuque County
Population1,830
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area84.12 sq mi
Center (lat, long)42.3408, -91.2520

Area codes in this area

563

These are the area codes that most often serve ZIP 52237 (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

52223 Delhi · 6.2 mi52078 Worthington · 7.9 mi52310 Monticello · 8.8 mi52252 Langworthy · 10 mi52036 Delaware · 10.2 mi52219 Prairieburg · 11.4 mi52041 Earlville · 11.4 mi52040 Dyersville · 12.6 mi

About ZIP 52237

ZIP code 52237 is assigned to Hopkinton, Iowa. It crosses 3 counties; most of its land is in Delaware County. Its Census area covers about 84.12 square miles of land. The closest neighboring ZIP is 52223 (Delhi), about 6.2 miles away.

Every address in 52237 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