Find the last 4 digits (ZIP+4) for an address in 50666

ZIP 50666, Plainfield, IA is filled in. Just type the street address.

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ZIP Code 50666 – Plainfield, IA

Plainfield, Iowa · Bremer County · Central time

ZIP code50666
CityPlainfield
StateIowa
CountyBremer CountyButler County
Population753
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area49.37 sq mi
Center (lat, long)42.8544, -92.5032

Area codes in this area

319

These are the area codes that most often serve ZIP 50666 (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

50677 Waverly · 6.9 mi50658 Nashua · 6.9 mi50619 Clarksville · 8.9 mi50631 Frederika · 10 mi50645 Ionia · 11.8 mi50676 Tripoli · 11.9 mi50670 Shell Rock · 13.5 mi50647 Janesville · 14 mi

About ZIP 50666

ZIP code 50666 is assigned to Plainfield, Iowa. It crosses 2 counties; most of its land is in Bremer County. Its Census area covers about 49.37 square miles of land. The closest neighboring ZIP is 50677 (Waverly), about 6.9 miles away.

Every address in 50666 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