County ZIP codes · Idaho · FIPS 16061

Lewis County, ID ZIP Codes

Lewis County, Idaho has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Lewis County and 5 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $53,707 in 83536 (Kamiah) to $69,458 in 83544 (Orofino) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Lewis County?

The residential ZIP codes of Lewis 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?

83536 · $54k 83544 · $70k

They carry 7 postal town names: Orofino, Kamiah, Culdesac, Craigmont, Nezperce, Winchester, Reubens.

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

All 7 residential ZIP codes in Lewis County

2 ZIP codes lie mainly in Lewis County; 5 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Lewis County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
83523	Craigmont	797	4	$63k	$225k	100%
83543	Nezperce	739	6	$63k	$211k	100%

Partly in Lewis County

Residential ZIP codes mainly in another county that reach at least 1% into Lewis County, by their share here
						In this county
83555	Winchester	493	3	$56k	$268k	41%
83524	Culdesac	1,050	9	$63k	$249k	20%
83548	Reubens	145	6	$74k	$160k	14%
83536	Kamiah	4,444	22	$54k	$242k	8%
83544	Orofino	6,798	28	$70k	$293k	3%

Download the 7 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?

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

Share of each ZIP code's land in Lewis County and in the neighboring counties
ZIP	In Lewis	Elsewhere
83544	3%	Clearwater County 97%
83536	8%	Idaho County 92%
83524	20%	Nez Perce County 80%
83555	41%	Nez Perce County 59%
83548	14%	Nez Perce County 86%

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

Which first three digits do Lewis 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 Lewis County starts with 835.

Three-digit prefixes of Lewis 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 Lewis County's
Prefix	Sectional center	Here	All codes
835	Spokane, WA (SCF 990)	7	28

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