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County ZIP codes · Minnesota · FIPS 27069

Kittson County, MN ZIP Codes

Kittson County, Minnesota has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 11 residential and 1 for PO boxes or a single organization. 9 of the residential ones lie mainly in Kittson County and 2 mainly in a neighboring county; 4 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Kittson County?

56720 · Donaldson: –56728 · Hallock: $79k56729 · Halma: $79k56731 · Humboldt: $75k56732 · Karlstad: $72k56733 · Kennedy: $57k56734 · Lake Bronson: $78k56735 · Lancaster: $74k56755 · Saint Vincent: $91k56757 · Stephen: $81k58225 · Drayton: $74k567355822556728567325673456757567335675556729567315672056720 · Donaldson: –56728 · Hallock: $79k56729 · Halma: $79k56731 · Humboldt: $75k56732 · Karlstad: $72k56733 · Kennedy: $57k56734 · Lake Bronson: $78k56735 · Lancaster: $74k56755 · Saint Vincent: $91k56757 · Stephen: $81k58225 · Drayton: $74k5673558225567285673256734567575673356755567295673156720 · Donaldson: –56728 · Hallock: $79k56729 · Halma: $79k56731 · Humboldt: $75k56732 · Karlstad: $72k56733 · Kennedy: $57k56734 · Lake Bronson: $78k56735 · Lancaster: $74k56755 · Saint Vincent: $91k56757 · Stephen: $81k58225 · Drayton: $74k56735582255672856732567345675756733567555672956731
The residential ZIP codes of Kittson County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

All 11 residential ZIP codes in Kittson County

9 ZIP codes lie mainly in Kittson County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Kittson County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
56728 Hallock 1,116 6 $79k $152k 100%
56732 Karlstad 951 6 $72k $144k 70%
56735 Lancaster 683 2 $74k $164k 81%
56734 Lake Bronson 601 3 $78k $85k 100%
56733 Kennedy 380 3 $57k $90k 100%
56731 Humboldt 137 4 $75k $148k 100%
56729 Halma 121 3 $79k $158k 100%
56755 Saint Vincent 82 2 $91k $82k 100%
56720 Donaldson 15 2 – – 100%

Partly in Kittson County

Residential ZIP codes mainly in another county that reach at least 1% into Kittson County, by their share here
In this county
58225 Drayton 1,053 4 $74k $121k 11%
56757 Stephen 861 4 $81k $132k 5%

Download the 12 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

4 ZIP codes of Kittson County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Kittson County and in the neighboring counties
ZIPIn KittsonElsewhere
5822511%Pembina County 66%; Walsh County 23%
5673270%Marshall County 18%; Roseau County 11%
567575%Marshall County 95%
5673581%Roseau County 19%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Kittson County without a residential area (GeoNames postal codes)
ZIPPostal name
56740Noyes

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Kittson County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Kittson County's ZIP codes use 2 prefixes: 567 and 582.

Three-digit prefixes of Kittson County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Kittson County's
PrefixSectional centerHereAll codes
567 Grand Forks, ND (SCF 582) 11 42
582 Grand Forks, ND (SCF 582) 1 61

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.