Find the last 4 digits (ZIP+4) for an address in 50440

ZIP 50440, Grafton, 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 50440 – Grafton, IA

Grafton, Iowa · Worth County · Central time

ZIP code50440
CityGrafton
StateIowa
CountyWorth County
Population361
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area29.24 sq mi
Center (lat, long)43.3324, -93.0690

Area codes in this area

641

These are the area codes that most often serve ZIP 50440 (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

50464 Plymouth · 5.6 mi50426 Carpenter · 6.3 mi50456 Manly · 7.9 mi50472 Saint Ansgar · 8.4 mi50467 Rock Falls · 8.5 mi50448 Kensett · 8.7 mi50458 Nora Springs · 12.3 mi50459 Northwood · 12.6 mi

About ZIP 50440

ZIP code 50440 is assigned to Grafton, Iowa. It lies in Worth County. Its Census area covers about 29.24 square miles of land. The closest neighboring ZIP is 50464 (Plymouth), about 5.6 miles away.

Every address in 50440 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