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County ZIP codes · Kansas · FIPS 20175

Seward County, KS ZIP Codes

Seward County, Kansas has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 6 residential and 1 for PO boxes or a single organization. 2 of the residential ones lie mainly in Seward County and 4 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $64,783 in 67901 (Liberal) to $72,760 in 67869 (Plains) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Seward County?

67859 · Kismet: $60k67869 · Plains: $73k67870 · Satanta: $58k67877 · Sublette: $67k67901 · Liberal: $65k67952 · Moscow: $86k67869679016787067859678776795267859 · Kismet: $60k67869 · Plains: $73k67870 · Satanta: $58k67877 · Sublette: $67k67901 · Liberal: $65k67952 · Moscow: $86k67869679016787067859678776795267859 · Kismet: $60k67869 · Plains: $73k67870 · Satanta: $58k67877 · Sublette: $67k67901 · Liberal: $65k67952 · Moscow: $86k678696790167870678596787767952
The residential ZIP codes of Seward 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).

How different are its ZIP codes?

They carry 6 postal town names: Liberal, Sublette, Plains, Satanta, Kismet, Moscow.

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

All 6 residential ZIP codes in Seward County

2 ZIP codes lie mainly in Seward County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Seward County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
67901 Liberal 20,902 67 $65k $133k 94%
67859 Kismet 535 3 $60k $139k 100%

Partly in Seward County

Residential ZIP codes mainly in another county that reach at least 1% into Seward County, by their share here
In this county
67952 Moscow 452 2 $86k $153k 27%
67869 Plains 1,327 4 $73k $155k 16%
67870 Satanta 1,277 5 $58k $115k 13%
67877 Sublette 2,289 9 $67k $187k 7%

Download the 7 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?

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

Share of each ZIP code's land in Seward County and in the neighboring counties
ZIPIn SewardElsewhere
6790194%Stevens County 6%
678777%Haskell County 93%
6786916%Meade County 84%
6787013%Haskell County 75%; Grant County 11%
6795227%Stevens County 73%

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

PO Box and single-organization ZIP codes

ZIP codes in Seward County without a residential area (GeoNames postal codes)
ZIPPostal name
67905Liberal

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Seward County's ZIP codes use 2 prefixes: 678 and 679.

Three-digit prefixes of Seward 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 Seward County's
PrefixSectional centerHereAll codes
678 Wichita, KS (SCF 670) 4 39
679 Amarillo, TX (SCF 790) 3 7

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