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County ZIP codes · Texas · FIPS 48129

Donley County, TX ZIP Codes

Donley County, Texas has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Donley County and 3 mainly in a neighboring county; 4 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Donley County?

79039 · Groom: $70k79057 · McLean: $71k79226 · Clarendon: $58k79237 · Hedley: $60k79240 · Lelia Lake: –79245 · Memphis: $48k792267905779245790397923779039 · Groom: $70k79057 · McLean: $71k79226 · Clarendon: $58k79237 · Hedley: $60k79240 · Lelia Lake: –79245 · Memphis: $48k792267905779245790397923779039 · Groom: $70k79057 · McLean: $71k79226 · Clarendon: $58k79237 · Hedley: $60k79240 · Lelia Lake: –79245 · Memphis: $48k7922679057792457903979237
The residential ZIP codes of Donley 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 6 residential ZIP codes in Donley County

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

Residential ZIP codes mainly in Donley County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
79226 Clarendon 2,855 3 $58k $103k 60%
79237 Hedley 503 2 $60k $63k 100%
79240 Lelia Lake 30 3 – – 100%

Partly in Donley County

Residential ZIP codes mainly in another county that reach at least 1% into Donley County, by their share here
In this county
79057 McLean 1,010 3 $71k $91k 36%
79039 Groom 744 3 $70k $105k 5%
79245 Memphis 2,230 8 $48k $79k 4%

Download the 6 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 Donley County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Donley County and in the neighboring counties
ZIPIn DonleyElsewhere
7922660%Armstrong County24%; Briscoe County14%; Hall County2%
792454%Hall County50%; Childress County33%; Collingsworth County13%
7905736%Gray County44%; Wheeler County14%; Collingsworth County6%
790395%Carson County52%; Gray County35%; Armstrong County7%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Donley County's ZIP codes use 2 prefixes: 790 and 792.

Three-digit prefixes of Donley 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 Donley County's
PrefixSectional centerHereAll codes
790Amarillo, TX (SCF 790)274
792Amarillo, TX (SCF 790)432

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