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County ZIP codes · Idaho · FIPS 16085

Valley County, ID ZIP Codes

Valley County, Idaho has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 5 residential and 1 for PO boxes or a single organization. 4 of the residential ones lie mainly in Valley County and 1 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $75,217 in 83638 (McCall) to $77,411 in 83611 (Cascade) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Valley County?

83611 · Cascade: $77k83615 · Donnelly: $75k83638 · McCall: $75k83657 · Ola: $51k83677 · Yellow Pine: –8361183638836578361583611 · Cascade: $77k83615 · Donnelly: $75k83638 · McCall: $75k83657 · Ola: $51k83677 · Yellow Pine: –8361183638836578361583611 · Cascade: $77k83615 · Donnelly: $75k83638 · McCall: $75k83657 · Ola: $51k83677 · Yellow Pine: –8361183638
The residential ZIP codes of Valley 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 5 postal town names: McCall, Cascade, Donnelly, Ola, Yellow Pine.

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

All 5 residential ZIP codes in Valley County

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

Residential ZIP codes mainly in Valley County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
83638 McCall 7,750 12 $75k $730k 52%
83611 Cascade 3,329 1 $77k $429k 60%
83615 Donnelly 1,452 20 $75k $732k 100%
83677 Yellow Pine 17 0 – – 100%

Partly in Valley County

Residential ZIP codes mainly in another county that reach at least 1% into Valley County, by their share here
In this county
83657 Ola 156 1 $51k $606k 3%

Download the 6 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?

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

Share of each ZIP code's land in Valley County and in the neighboring counties
ZIPIn ValleyElsewhere
8363852%Idaho County47%
8361160%Idaho County40%
836573%Gem County98%

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

PO Box and single-organization ZIP codes

ZIP codes in Valley County without a residential area (GeoNames postal codes)
ZIPPostal name
83635Lake Fork

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Valley 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 Valley County starts with 836.

Three-digit prefixes of Valley 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 Valley County's
PrefixSectional centerHereAll codes
836Boise, ID (SCF 836)658

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