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County ZIP codes · Texas · FIPS 48421

Sherman County, TX ZIP Codes

Sherman County, Texas has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Sherman County and 2 mainly in a neighboring county; 4 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Sherman County?

73949 · Texhoma: $63k73960 · Texhoma: –79040 · Gruver: $85k79084 · Stratford: $55k79086 · Sunray: $71k7394979040790867908473949 · Texhoma: $63k73960 · Texhoma: –79040 · Gruver: $85k79084 · Stratford: $55k79086 · Sunray: $71k7394979040790867908473949 · Texhoma: $63k73960 · Texhoma: –79040 · Gruver: $85k79084 · Stratford: $55k79086 · Sunray: $71k73949790407908679084
The residential ZIP codes of Sherman 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 Sherman County

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

Residential ZIP codes mainly in Sherman County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
79086 Sunray 3,219 10 $71k $138k 59%
79084 Stratford 1,595 4 $55k $135k 97%
73960 Texhoma 5 8 – – 100%

Partly in Sherman County

Residential ZIP codes mainly in another county that reach at least 1% into Sherman County, by their share here
In this county
79040 Gruver 1,979 3 $85k $156k 37%
73949 Texhoma 1,620 4 $63k $155k 14%

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?

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

Share of each ZIP code's land in Sherman County and in the neighboring counties
ZIPIn ShermanElsewhere
7908659%Moore County41%
7904037%Hansford County63%
7394914%Texas County59%; Cimarron County27%
7908497%Dallam County3%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Sherman County's ZIP codes use 2 prefixes: 739 and 790.

Three-digit prefixes of Sherman 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 Sherman County's
PrefixSectional centerHereAll codes
739Amarillo, TX (SCF 790)216
790Amarillo, TX (SCF 790)374

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