County ZIP codes · Idaho · FIPS 16023

Butte County, ID ZIP Codes

Butte County, Idaho has 3 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 1 of the residential ones extends into a neighboring county.

ACS2020-24
Census2020

Where are the ZIP codes of Butte County?

The residential ZIP codes of Butte 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).

All 3 residential ZIP codes in Butte County

Residential ZIP codes mainly in Butte County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
83213	Arco	1,349	2	$44k	$164k	100%
83255	Moore	1,222	6	$71k	$283k	90%
83244	Howe	386	0	–	$221k	100%

Download the 3 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?

1 ZIP code of Butte County extends into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Butte County and in the neighboring counties
ZIP	In Butte	Elsewhere
83255	90%	Custer County10%

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

Which first three digits do Butte 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 Butte County starts with 832.

Three-digit prefixes of Butte 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 Butte County's
Prefix	Sectional center	Here	All codes
832	Pocatello, ID (SCF 832)	3	57

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