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County ZIP codes · Kentucky · FIPS 21235

Whitley County, KY ZIP Codes

Whitley County, Kentucky has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 7 residential and 2 for PO boxes or a single organization. 4 of the residential ones lie mainly in Whitley County and 3 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $43,878 in 40769 (Williamsburg) to $47,204 in 40701 (Corbin) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Whitley County?

40701 · Corbin: $47k40759 · Rockholds: $35k40763 · Siler: –40769 · Williamsburg: $44k40771 · Woodbine: –40906 · Barbourville: $23k40940 · Frakes: –4076940906407014075940940407634077140701 · Corbin: $47k40759 · Rockholds: $35k40763 · Siler: –40769 · Williamsburg: $44k40771 · Woodbine: –40906 · Barbourville: $23k40940 · Frakes: –4076940906407014075940940407634077140701 · Corbin: $47k40759 · Rockholds: $35k40763 · Siler: –40769 · Williamsburg: $44k40771 · Woodbine: –40906 · Barbourville: $23k40940 · Frakes: –40769409064070140759409404076340771
The residential ZIP codes of Whitley 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 7 postal town names: Corbin, Williamsburg, Barbourville, Rockholds, Woodbine, Siler, Frakes.

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

All 7 residential ZIP codes in Whitley County

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

Residential ZIP codes mainly in Whitley County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
40701 Corbin 30,526 203 $47k $161k 61%
40769 Williamsburg 18,218 65 $44k $106k 93%
40759 Rockholds 3,122 63 $35k $97k 85%
40763 Siler 411 16 – $81k 88%

Partly in Whitley County

Residential ZIP codes mainly in another county that reach at least 1% into Whitley County, by their share here
In this county
40940 Frakes 367 12 – – 46%
40771 Woodbine 1,915 186 – $126k 13%
40906 Barbourville 10,813 79 $23k $129k 2%

Download the 9 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?

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

Share of each ZIP code's land in Whitley County and in the neighboring counties
ZIPIn WhitleyElsewhere
4070161%Laurel County 20%; Knox County 18%
4076993%McCreary County 7%
409062%Knox County 98%
4075985%Knox County 15%
4077113%Knox County 87%
4076388%Knox County 12%
4094046%Bell County 54%

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

PO Box and single-organization ZIP codes

ZIP codes in Whitley County without a residential area (GeoNames postal codes)
ZIPPostal name
40702Corbin
40730Emlyn

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Whitley County's ZIP codes use 2 prefixes: 407 and 409.

Three-digit prefixes of Whitley 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 Whitley County's
PrefixSectional centerHereAll codes
407 Knoxville, TN (SCF 377) 7 19
409 Knoxville, TN (SCF 377) 2 35

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