ZIP code 99174
Where is ZIP code 99174?
Steptoe, Washington
Whitman County · PO Box only ZIP code
ZIP code 99174 belongs to Steptoe, Washington in Whitman County. 99174 is a PO Box only ZIP code: it is used for post office boxes at the Steptoe post office, not for street addresses. It is in the Pacific Time zone and uses area code 509. About 69 people live in the 99174 area, where the median household income is $50,179. The closest ZIP codes are 99176 (Thornton, 8.4 mi north), 99111 (Colfax, 8.7 mi south) and 99130 (Garfield, 9.6 mi east).
| ZIP code | 99174 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Steptoe |
| State | Washington (WA) |
| County | Whitman County |
| Time zone | Pacific Time · now |
| Area code | 509 |
| Coordinates | 47.006, -117.356 map |
| 3-digit prefix | 991 |
Population and income in 99174
| Population | 69 · lower than 96% of Washington ZIP codes |
|---|---|
| People per square mile | 2,556 · higher than 80% of Washington ZIP codes |
| Median age | 40.1 years · lower than 55% of Washington ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $50,179 · lower than 95% of Washington ZIP codes |
| Income per person | $20,019 |
| Below the poverty line | 4.3% |
| Bachelor’s degree or higher | 21% of adults 25+ |
| Median home value | $254,500 · lower than 87% of Washington ZIP codes |
| Housing units | 37 |
| Households | 25 (2.76 people on average) |
| Owners / renters | 88% / 12% |
| Land area | 0.03 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99174. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 99174
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 99176 | Thornton, WA | 8.4 mi N | Standard |
| 99111 | Colfax, WA | 8.7 mi S | Standard |
| 99130 | Garfield, WA | 9.6 mi E | Standard |
| 99104 | Belmont, WA | 9.8 mi NE | Standard |
| 99158 | Oakesdale, WA | 10 mi NE | Standard |
| 99171 | Saint John, WA | 11.3 mi NW | Standard |
| 99128 | Farmington, WA | 14.2 mi NE | Standard |
| 99161 | Palouse, WA | 14.5 mi SE | Standard |
| 99170 | Rosalia, WA | 15.2 mi N | Standard |
| 99102 | Albion, WA | 15.6 mi S | PO Box only |
| 99149 | Malden, WA | 16.3 mi N | PO Box only |
| 99125 | Endicott, WA | 18 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99174 or measure the distance to another ZIP code.
How to address mail to 99174
PO BOX 123
STEPTOE WA 99174
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (99174-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 99174?
- 99174 is a Steptoe, Washington ZIP code.
- What county is 99174 in?
- ZIP code 99174 is in Whitman County, Washington.
- What time zone is ZIP code 99174 in?
- 99174 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 99174?
- Phone numbers in ZIP code 99174 use area code 509.
- What is the population of ZIP code 99174?
- About 69 people live in ZIP code 99174, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 99174?
- The median household income in 99174 is $50,179 a year, lower than 95% of Washington ZIP codes.
- Can I use 99174 for a street address?
- No. 99174 is only for PO Boxes. Street addresses in Steptoe use another ZIP code.
- What ZIP codes are near 99174?
- The nearest ZIP codes to 99174 are 99176 (Thornton, 8.4 miles), 99111 (Colfax, 8.7 miles), 99130 (Garfield, 9.6 miles) and 99104 (Belmont, 9.8 miles).