County ZIP codes · Kentucky · FIPS 21199

Pulaski County, KY ZIP Codes

Pulaski County, Kentucky has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 11 residential and 3 for PO boxes or a single organization. 7 of the residential ones lie mainly in Pulaski County and 4 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $46,526 in 42567 (Eubank) to $60,895 in 42544 (Nancy) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

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

How different are its ZIP codes?

42567 · $47k 42544 · $61k

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $52,619 and $54,707.

They carry 10 postal town names.

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

All 11 residential ZIP codes in Pulaski County

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

Residential ZIP codes mainly in Pulaski County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
42503	Somerset	25,321	196	$55k	$210k	100%
42501	Somerset	18,214	91	$49k	$142k	100%
42553	Science Hill	5,649	86	$53k	$155k	100%
42544	Nancy	5,520	39	$61k	$170k	76%
42567	Eubank	5,390	61	$47k	$105k	88%
42519	Burnside	2,756	56	$42k	$136k	100%
42533	Ferguson	897	553	$41k	$153k	100%

Partly in Pulaski County

Residential ZIP codes mainly in another county that reach at least 1% into Pulaski County, by their share here
						In this county
42518	Bronston	3,031	89	$54k	$156k	50%
40419	Crab Orchard	5,250	55	$57k	$124k	5%
42642	Russell Springs	13,459	96	$53k	$153k	3%
40409	Brodhead	3,445	77	$53k	$124k	2%

Download the 14 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?

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

Share of each ZIP code's land in Pulaski County and in the neighboring counties
ZIP	In Pulaski	Elsewhere
42642	3%	Russell County 86%; Adair County 10%
42544	76%	Russell County 14%; Wayne County 10%
42567	88%	Lincoln County 12%
40419	5%	Lincoln County 56%; Garrard County 21%; Rockcastle County 18%
40409	2%	Rockcastle County 94%; Lincoln County 3%
42518	50%	Wayne County 50%

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

PO Box and single-organization ZIP codes

ZIP codes in Pulaski County without a residential area (GeoNames postal codes)
ZIP	Postal name
42502	Somerset
42558	Tateville
42564	West Somerset

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Pulaski County's ZIP codes use 3 prefixes: 404, 425 and 426.

Three-digit prefixes of Pulaski 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 Pulaski County's
Prefix	Sectional center	Here	All codes
404	Lexington, KY (SCF 403)	2	33
425	Knoxville, TN (SCF 377)	11	17
426	Knoxville, TN (SCF 377)	1	12

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

Where are the ZIP codes of Pulaski County?