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County ZIP codes · Oklahoma · FIPS 40025

Cimarron County, OK ZIP Codes

Cimarron County, Oklahoma has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Cimarron County and 1 mainly in a neighboring county; 2 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Cimarron County?

73933 · Boise City: $50k73937 · Felt: $66k73946 · Kenton: –73947 · Keyes: $136k73949 · Texhoma: $63k739337394973947739467393773933 · Boise City: $50k73937 · Felt: $66k73946 · Kenton: –73947 · Keyes: $136k73949 · Texhoma: $63k739337394973947739467393773933 · Boise City: $50k73937 · Felt: $66k73946 · Kenton: –73947 · Keyes: $136k73949 · Texhoma: $63k7393373949739477394673937
The residential ZIP codes of Cimarron 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 5 residential ZIP codes in Cimarron County

4 ZIP codes lie mainly in Cimarron County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Cimarron County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
73933 Boise City 1,335 1 $50k $77k 100%
73947 Keyes 499 1 $136k $106k 93%
73937 Felt 278 1 $66k $111k 100%
73946 Kenton 12 0 – – 100%

Partly in Cimarron County

Residential ZIP codes mainly in another county that reach at least 1% into Cimarron County, by their share here
In this county
73949 Texhoma 1,620 4 $63k $155k 27%

Download the 5 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?

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

Share of each ZIP code's land in Cimarron County and in the neighboring counties
ZIPIn CimarronElsewhere
7394927%Texas County 59%; Sherman County 14%
7394793%Texas County 7%

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

Which first three digits do Cimarron 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 Cimarron County starts with 739.

Three-digit prefixes of Cimarron 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 Cimarron County's
PrefixSectional centerHereAll codes
739 Amarillo, TX (SCF 790) 5 16

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