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County ZIP codes · Washington · FIPS 53019

Ferry County, WA ZIP Codes

Ferry County, Washington has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 9 residential and 1 for PO boxes or a single organization. 2 of the residential ones extend into a neighboring county. Median household income ranges from $56,676 in 99166 (Republic) to $58,302 in 99141 (Kettle Falls) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Ferry County?

99118 · Curlew: $69k99121 · Danville: –99138 · Inchelium: $51k99140 · Keller: $54k99141 · Kettle Falls: $58k99146 · Laurier: –99150 · Malo: $62k99160 · Orient: –99166 · Republic: $57k99141991389916699140991189912199160991509914699118 · Curlew: $69k99121 · Danville: –99138 · Inchelium: $51k99140 · Keller: $54k99141 · Kettle Falls: $58k99146 · Laurier: –99150 · Malo: $62k99160 · Orient: –99166 · Republic: $57k99141991389916699140991189912199160991509914699118 · Curlew: $69k99121 · Danville: –99138 · Inchelium: $51k99140 · Keller: $54k99141 · Kettle Falls: $58k99146 · Laurier: –99150 · Malo: $62k99160 · Orient: –99166 · Republic: $57k9914199138991669914099118991219916099150
The residential ZIP codes of Ferry 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 9 postal town names.

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

All 9 residential ZIP codes in Ferry County

Residential ZIP codes mainly in Ferry County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
99141 Kettle Falls 5,626 9 $58k $321k 53%
99166 Republic 2,953 6 $57k $286k 98%
99138 Inchelium 1,223 2 $51k $218k 100%
99118 Curlew 899 4 $69k $324k 100%
99140 Keller 486 1 $54k $141k 100%
99150 Malo 351 11 $62k $332k 100%
99121 Danville 262 5 – $392k 100%
99160 Orient 87 2 – <$10k 100%
99146 Laurier 28 1 – – 100%

Download the 10 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 Ferry County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Ferry County and in the neighboring counties
ZIPIn FerryElsewhere
9914153%Stevens County47%
9916698%Okanogan County2%

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

PO Box and single-organization ZIP codes

ZIP codes in Ferry County without a residential area (GeoNames postal codes)
ZIPPostal name
99107Boyds

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Ferry 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 Ferry County starts with 991.

Three-digit prefixes of Ferry 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 Ferry County's
PrefixSectional centerHereAll codes
991Spokane, WA (SCF 990)1067

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