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County ZIP codes · Kentucky · FIPS 21231

Wayne County, KY ZIP Codes

Wayne County, Kentucky has 4 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Wayne County and 1 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $46,040 in 42633 (Monticello) to $60,895 in 42544 (Nancy) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Wayne County?

42518 · Bronston: $54k42544 · Nancy: $61k42603 · Alpha: $53k42633 · Monticello: $46k4263342544425184260342518 · Bronston: $54k42544 · Nancy: $61k42603 · Alpha: $53k42633 · Monticello: $46k4263342544425184260342518 · Bronston: $54k42544 · Nancy: $61k42603 · Alpha: $53k42633 · Monticello: $46k42633425444251842603
The residential ZIP codes of Wayne 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).

How different are its ZIP codes?

They carry 4 postal town names: Monticello, Nancy, Bronston, Alpha.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 4 residential ZIP codes in Wayne County

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

Residential ZIP codes mainly in Wayne County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
42633 Monticello 18,606 44 $46k $139k 100%
42518 Bronston 3,031 89 $54k $156k 50%
42603 Alpha 694 61 $53k $73k 55%

Partly in Wayne County

Residential ZIP codes mainly in another county that reach at least 1% into Wayne County, by their share here
In this county
42544 Nancy 5,520 39 $61k $170k 10%

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?

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

Share of each ZIP code's land in Wayne County and in the neighboring counties
ZIPIn WayneElsewhere
4254410%Pulaski County76%; Russell County14%
4251850%Pulaski County50%
4260355%Clinton County45%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Wayne County's ZIP codes use 2 prefixes: 425 and 426.

Three-digit prefixes of Wayne 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 Wayne County's
PrefixSectional centerHereAll codes
425Knoxville, TN (SCF 377)217
426Knoxville, TN (SCF 377)212

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