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County ZIP codes · Kentucky · FIPS 21133

Letcher County, KY ZIP Codes

Letcher County, Kentucky has 25 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 24 of the residential ones lie mainly in Letcher County and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $45,933 in 41858 (Whitesburg) to $58,428 in 41840 (Neon) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Letcher County?

40826 · Eolia: $43k40862 · Partridge: $42k41517 · Burdine: –41537 · Jenkins: $36k41731 · Cornettsville: $52k41804 · Blackey: –41810 · Cromona: –41812 · Deane: –41815 · Ermine: $25k41819 · Gordon: –41821 · Hallie: –41824 · Isom: –41825 · Jackhorn: $52k41826 · Jeremiah: $61k41832 · Letcher: $29k41833 · Linefork: –41835 · McRoberts: $24k41837 · Mayking: $42k41838 · Millstone: $43k41840 · Neon: $58k41845 · Premium: –41848 · Roxana: –41849 · Seco: $65k41855 · Thornton: $59k41858 · Whitesburg: $46k4185841537417314181940826418334182140862418044183741855418264182441838418324184541812418404182541835418104184840826 · Eolia: $43k40862 · Partridge: $42k41517 · Burdine: –41537 · Jenkins: $36k41731 · Cornettsville: $52k41804 · Blackey: –41810 · Cromona: –41812 · Deane: –41815 · Ermine: $25k41819 · Gordon: –41821 · Hallie: –41824 · Isom: –41825 · Jackhorn: $52k41826 · Jeremiah: $61k41832 · Letcher: $29k41833 · Linefork: –41835 · McRoberts: $24k41837 · Mayking: $42k41838 · Millstone: $43k41840 · Neon: $58k41845 · Premium: –41848 · Roxana: –41849 · Seco: $65k41855 · Thornton: $59k41858 · Whitesburg: $46k41858415374173141819408264183341821408624180441837418554182641824418454181241840418254181040826 · Eolia: $43k40862 · Partridge: $42k41517 · Burdine: –41537 · Jenkins: $36k41731 · Cornettsville: $52k41804 · Blackey: –41810 · Cromona: –41812 · Deane: –41815 · Ermine: $25k41819 · Gordon: –41821 · Hallie: –41824 · Isom: –41825 · Jackhorn: $52k41826 · Jeremiah: $61k41832 · Letcher: $29k41833 · Linefork: –41835 · McRoberts: $24k41837 · Mayking: $42k41838 · Millstone: $43k41840 · Neon: $58k41845 · Premium: –41848 · Roxana: –41849 · Seco: $65k41855 · Thornton: $59k41858 · Whitesburg: $46k41858415374173141819408264183341821408624180441837
The residential ZIP codes of Letcher 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 25 postal town names.

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

All 25 residential ZIP codes in Letcher County

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

Residential ZIP codes mainly in Letcher County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
41858 Whitesburg 7,031 81 $46k $90k 100%
41537 Jenkins 3,447 63 $36k $76k 51%
41840 Neon 1,245 251 $58k $55k 100%
41804 Blackey 1,201 102 – $56k 100%
41837 Mayking 945 104 $42k – 100%
40826 Eolia 809 26 $43k $33k 100%
41815 Ermine 796 111 $25k $84k 100%
41855 Thornton 711 95 $59k $44k 100%
41838 Millstone 701 82 $43k – 100%
41824 Isom 685 136 – $54k 100%
41826 Jeremiah 668 75 $61k $64k 100%
41835 McRoberts 567 89 $24k $61k 100%
40862 Partridge 525 28 $42k $88k 100%
41832 Letcher 383 51 $29k – 100%
41821 Hallie 363 15 – $113k 100%
41810 Cromona 350 137 – $23k 100%
41825 Jackhorn 306 59 $52k $53k 100%
41819 Gordon 289 16 – $67k 100%
41812 Deane 177 29 – $84k 100%
41845 Premium 174 24 – $97k 100%
41833 Linefork 144 7 – – 100%
41517 Burdine 120 3,243 – – 100%
41849 Seco 75 78 $65k $65k 100%
41848 Roxana 28 18 – – 100%

Partly in Letcher County

Residential ZIP codes mainly in another county that reach at least 1% into Letcher County, by their share here
In this county
41731 Cornettsville 927 25 $52k $56k 24%

Download the 25 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 Letcher County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Letcher County and in the neighboring counties
ZIPIn LetcherElsewhere
4153751%Pike County 49%
4173124%Perry County 76%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Letcher County's ZIP codes use 4 prefixes: 408, 415, 417 and 418.

Three-digit prefixes of Letcher 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 Letcher County's
PrefixSectional centerHereAll codes
408 Knoxville, TN (SCF 377) 2 37
415 Charleston, WV (SCF 250) 2 43
417 Knoxville, TN (SCF 377) 1 36
418 Knoxville, TN (SCF 377) 20 33

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