ZIP code 99031
Where is ZIP code 99031?
Spangle, Washington
Spokane County · Standard ZIP code
ZIP code 99031 belongs to Spangle, Washington in Spokane County. 99031 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 1,251 people live in the 99031 area, where the median household income is $98,182. The closest ZIP codes are 99036 (Valleyford, 8.5 mi northeast), 99012 (Fairfield, 9.2 mi east) and 99039 (Waverly, 9.6 mi southeast).
| ZIP code | 99031 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Spangle |
| State | Washington (WA) |
| County | Spokane County |
| Time zone | Pacific Time · now |
| Area code | 509 |
| Coordinates | 47.4338, -117.3827 map |
| 3-digit prefix | 990 |
Population and income in 99031
| Population | 1,251 · lower than 67% of Washington ZIP codes |
|---|---|
| People per square mile | 16 · lower than 75% of Washington ZIP codes |
| Median age | 47.1 years · higher than 70% of Washington ZIP codes |
| Men / women | 56% / 45% |
| Median household income | $98,182 · higher than 67% of Washington ZIP codes |
| Income per person | $40,978 |
| Below the poverty line | 21% |
| Bachelor’s degree or higher | 26% of adults 25+ |
| Median home value | $423,500 · lower than 57% of Washington ZIP codes |
| Median rent | $1,183 a month |
| Housing units | 450 |
| Households | 440 (2.48 people on average) |
| Owners / renters | 92% / 8.2% |
| Land area | 76.46 sq mi (plus 0.08 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99031. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 99031
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 99036 | Valleyford, WA | 8.5 mi NE | Standard |
| 99012 | Fairfield, WA | 9.2 mi E | Standard |
| 99039 | Waverly, WA | 9.6 mi SE | PO Box only |
| 99004 | Cheney, WA | 10.3 mi NW | Standard |
| 99020 | Marshall, WA | 10.6 mi NW | PO Box only |
| 99030 | Rockford, WA | 11.8 mi E | Standard |
| 99223 | Spokane, WA | 12.6 mi N | Standard |
| 99023 | Mica, WA | 13.2 mi NE | Standard |
| 99014 | Four Lakes, WA | 13.2 mi NW | PO Box only |
| 99203 | Spokane, WA | 13.6 mi N | Standard |
| 99018 | Latah, WA | 14.7 mi SE | Standard |
| 99170 | Rosalia, WA | 14.7 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99031 or measure the distance to another ZIP code.
How to address mail to 99031
123 MAIN ST
SPANGLE WA 99031
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (99031-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 99031?
- 99031 is a Spangle, Washington ZIP code.
- What county is 99031 in?
- ZIP code 99031 is in Spokane County, Washington.
- What time zone is ZIP code 99031 in?
- 99031 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 99031?
- Phone numbers in ZIP code 99031 use area code 509.
- What is the population of ZIP code 99031?
- About 1,251 people live in ZIP code 99031, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 99031?
- The median household income in 99031 is $98,182 a year, higher than 67% of Washington ZIP codes.
- What ZIP codes are near 99031?
- The nearest ZIP codes to 99031 are 99036 (Valleyford, 8.5 miles), 99012 (Fairfield, 9.2 miles), 99039 (Waverly, 9.6 miles) and 99004 (Cheney, 10.3 miles).