ZIP code 99166
Where is ZIP code 99166?
Republic, Washington
Ferry County · Standard ZIP code
ZIP code 99166 belongs to Republic, Washington in Ferry County. 99166 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area code 509. About 2,953 people live in the 99166 area, where the median household income is $56,676. The closest ZIP codes are 99150 (Malo, 10.6 mi northeast), 98859 (Wauconda, 15.4 mi northwest) and 99118 (Curlew, 16.8 mi north).
| ZIP code | 99166 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Republic |
| State | Washington (WA) |
| County | Ferry County |
| Time zone | Pacific Time · now |
| Area code | 509 |
| Coordinates | 48.6704, -118.6999 map |
| 3-digit prefix | 991 |
Population and income in 99166
| Population | 2,953 · lower than 56% of Washington ZIP codes |
|---|---|
| People per square mile | 6 · lower than 84% of Washington ZIP codes |
| Median age | 54.2 years · higher than 83% of Washington ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $56,676 · lower than 90% of Washington ZIP codes |
| Income per person | $32,158 |
| Below the poverty line | 11% |
| Bachelor’s degree or higher | 14% of adults 25+ |
| Median home value | $286,000 · lower than 81% of Washington ZIP codes |
| Median rent | $810 a month |
| Housing units | 1,730 |
| Households | 1,247 (2.3 people on average) |
| Owners / renters | 79% / 21% |
| Land area | 479.36 sq mi (plus 1.61 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99166. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 99166
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 99150 | Malo, WA | 10.6 mi NE | Standard |
| 98859 | Wauconda, WA | 15.4 mi NW | Standard |
| 99118 | Curlew, WA | 16.8 mi N | Standard |
| 99121 | Danville, WA | 23 mi NE | Standard |
| 99160 | Orient, WA | 26.4 mi NE | Standard |
| 99151 | Marcus, WA | 28.8 mi E | PO Box only |
| 99141 | Kettle Falls, WA | 29.5 mi E | Standard |
| 99146 | Laurier, WA | 30.3 mi NE | PO Box only |
| 99138 | Inchelium, WA | 30.5 mi SE | Standard |
| 98855 | Tonasket, WA | 31.8 mi W | Standard |
| 99167 | Rice, WA | 32 mi SE | Standard |
| 99126 | Evans, WA | 34.6 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99166 or measure the distance to another ZIP code.
How to address mail to 99166
123 MAIN ST
REPUBLIC WA 99166
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (99166-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 99166?
- 99166 is a Republic, Washington ZIP code.
- What county is 99166 in?
- ZIP code 99166 is in Ferry County, Washington.
- What time zone is ZIP code 99166 in?
- 99166 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 99166?
- Phone numbers in ZIP code 99166 use area code 509.
- What is the population of ZIP code 99166?
- About 2,953 people live in ZIP code 99166, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 99166?
- The median household income in 99166 is $56,676 a year, lower than 90% of Washington ZIP codes.
- What ZIP codes are near 99166?
- The nearest ZIP codes to 99166 are 99150 (Malo, 10.6 miles), 98859 (Wauconda, 15.4 miles), 99118 (Curlew, 16.8 miles) and 99121 (Danville, 23 miles).