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County ZIP codes · Colorado · FIPS 08095

Phillips County, CO ZIP Codes

Phillips County, Colorado has 4 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones extend into a neighboring county.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Phillips County?

80721 · Amherst: $104k80731 · Haxtun: $74k80734 · Holyoke: $58k80746 · Paoli: $99k80734807318072180721 · Amherst: $104k80731 · Haxtun: $74k80734 · Holyoke: $58k80746 · Paoli: $99k80734807318072180721 · Amherst: $104k80731 · Haxtun: $74k80734 · Holyoke: $58k80746 · Paoli: $99k807348073180721
The residential ZIP codes of Phillips 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 Phillips County

Residential ZIP codes mainly in Phillips County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
80734 Holyoke 2,999 6 $58k $277k 77%
80731 Haxtun 1,486 4 $74k $235k 60%
80721 Amherst 257 3 $104k $326k 100%
80746 Paoli 37 24 $99k $211k 100%

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?

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

Share of each ZIP code's land in Phillips County and in the neighboring counties
ZIPIn PhillipsElsewhere
8073477%Yuma County23%
8073160%Logan County28%; Yuma County9%; Sedgwick County2%

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

Which first three digits do Phillips 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 Phillips County starts with 807.

Three-digit prefixes of Phillips 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 Phillips County's
PrefixSectional centerHereAll codes
807Denver, CO (SCF 800)433

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