Find the last 4 digits (ZIP+4) for an address in 56257

ZIP 56257, Marietta, MN is filled in. Just type the street address.

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ZIP Code 56257 – Marietta, MN

Marietta, Minnesota · Lac qui Parle County · Central time

ZIP code56257
CityMarietta
StateMinnesota
CountyLac qui Parle CountyDeuel County
Population377
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area92.09 sq mi
Center (lat, long)44.9693, -96.4022

Area codes in this area

320

These are the area codes that most often serve ZIP 56257 (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

57259 Revillo · 8.2 mi56256 Madison · 9.8 mi56212 Bellingham · 11.8 mi57237 Gary · 12.8 mi57246 Labolt · 14.2 mi56220 Canby · 17.6 mi56232 Dawson · 18 mi57265 Strandburg · 18.6 mi

About ZIP 56257

ZIP code 56257 is assigned to Marietta, Minnesota. It crosses 2 counties; most of its land is in Lac qui Parle County. Its Census area covers about 92.09 square miles of land. The closest neighboring ZIP is 57259 (Revillo), about 8.2 miles away.

Every address in 56257 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