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County ZIP codes · Nebraska · FIPS 31171

Thomas County, NE ZIP Codes

Thomas County, Nebraska has 4 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Thomas County and 2 mainly in a neighboring county; 3 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Thomas County?

69142 · Halsey: –69161 · Seneca: $37k69163 · Stapleton: $74k69166 · Thedford: $59k6916669163691616914269142 · Halsey: –69161 · Seneca: $37k69163 · Stapleton: $74k69166 · Thedford: $59k69166691636916169142 · Halsey: –69161 · Seneca: $37k69163 · Stapleton: $74k69166 · Thedford: $59k6916669163
The residential ZIP codes of Thomas 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 4 residential ZIP codes in Thomas County

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

Residential ZIP codes mainly in Thomas County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
69166 Thedford 603 1 $59k $117k 52%
69142 Halsey 53 0 – $450k 100%

Partly in Thomas County

Residential ZIP codes mainly in another county that reach at least 1% into Thomas County, by their share here
In this county
69161 Seneca 53 0 $37k – 35%
69163 Stapleton 847 1 $74k $188k 20%

Download the 4 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?

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

Share of each ZIP code's land in Thomas County and in the neighboring counties
ZIPIn ThomasElsewhere
6916320%Logan County63%; Lincoln County13%; McPherson County5%
6916652%Cherry County48%
6916135%Cherry County65%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Thomas County starts with 691.

Three-digit prefixes of Thomas 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 Thomas County's
PrefixSectional centerHereAll codes
691North Platte, NE (SCF 691)447

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