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County ZIP codes · Texas · FIPS 48087

Collingsworth County, TX ZIP Codes

Collingsworth County, Texas 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 Collingsworth County and 4 mainly in a neighboring county; 5 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Collingsworth County?

79057 · McLean: $71k79079 · Shamrock: $51k79095 · Wellington: $59k79230 · Dodson: –79245 · Memphis: $48k79251 · Quail: –79079790577924579095792307925179057 · McLean: $71k79079 · Shamrock: $51k79095 · Wellington: $59k79230 · Dodson: –79245 · Memphis: $48k79251 · Quail: –79079790577924579095792307925179057 · McLean: $71k79079 · Shamrock: $51k79095 · Wellington: $59k79230 · Dodson: –79245 · Memphis: $48k79251 · Quail: –7907979057792457909579251
The residential ZIP codes of Collingsworth 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 Collingsworth County

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

Residential ZIP codes mainly in Collingsworth County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
79095 Wellington 2,405 6 $59k $104k 97%
79251 Quail 31 1 – $134k 100%

Partly in Collingsworth County

Residential ZIP codes mainly in another county that reach at least 1% into Collingsworth County, by their share here
In this county
79079 Shamrock 2,222 4 $51k $93k 41%
79230 Dodson 31 0 – – 33%
79245 Memphis 2,230 8 $48k $79k 13%
79057 McLean 1,010 3 $71k $91k 6%

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 Collingsworth County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Collingsworth County and in the neighboring counties
ZIPIn CollingsworthElsewhere
7909597%Childress County3%
7924513%Hall County50%; Childress County33%; Donley County4%
7907941%Wheeler County59%
790576%Gray County44%; Donley County36%; Wheeler County14%
7923033%Childress County67%

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

PO Box and single-organization ZIP codes

ZIP codes in Collingsworth County without a residential area (GeoNames postal codes)
ZIPPostal name
79077Samnorwood

Source: GeoNames postal codes (CC BY 4.0).

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

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

Three-digit prefixes of Collingsworth 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 Collingsworth County's
PrefixSectional centerHereAll codes
790Amarillo, TX (SCF 790)474
792Amarillo, TX (SCF 790)332

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