Find the last 4 digits (ZIP+4) for an address in 50654

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ZIP Code 50654 – Masonville, IA

Masonville, Iowa · Buchanan County · Central time

ZIP code50654
CityMasonville
StateIowa
CountyBuchanan CountyDelaware County
Population275
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area53.27 sq mi
Center (lat, long)42.4074, -91.5740

Area codes in this area

319

These are the area codes that most often serve ZIP 50654 (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

52330 Ryan · 5.3 mi50682 Winthrop · 6.8 mi52218 Coggon · 7.9 mi52057 Manchester · 8.4 mi52326 Quasqueton · 9.3 mi52344 Troy Mills · 9.7 mi52038 Dundee · 12.4 mi52036 Delaware · 12.7 mi

About ZIP 50654

ZIP code 50654 is assigned to Masonville, Iowa. It crosses 2 counties; most of its land is in Buchanan County. Its Census area covers about 53.27 square miles of land. The closest neighboring ZIP is 52330 (Ryan), about 5.3 miles away.

Every address in 50654 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