ZIP code 99338
Where is ZIP code 99338?
Kennewick, Washington
Benton County · Standard ZIP code
ZIP code 99338 belongs to Kennewick, Washington in Benton County. 99338 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 20,633 people live in the 99338 area, where the median household income is $111,042. The closest ZIP codes are 99336 (Kennewick, 6 mi northeast), 99337 (Kennewick, 6.3 mi east) and 99352 (Richland, 6.7 mi north).
| ZIP code | 99338 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Kennewick |
| State | Washington (WA) |
| County | Benton County |
| Time zone | Pacific Time · now |
| Area code | 509 |
| Coordinates | 46.156, -119.264 map |
| 3-digit prefix | 993 |
Population and income in 99338
| Population | 20,633 · higher than 71% of Washington ZIP codes |
|---|---|
| People per square mile | 582 · higher than 67% of Washington ZIP codes |
| Median age | 37.6 years · lower than 71% of Washington ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $111,042 · higher than 80% of Washington ZIP codes |
| Income per person | $49,238 |
| Below the poverty line | 8.5% |
| Bachelor’s degree or higher | 39% of adults 25+ |
| Median home value | $551,500 · higher than 67% of Washington ZIP codes |
| Median rent | $1,486 a month |
| Housing units | 7,192 |
| Households | 6,937 (2.97 people on average) |
| Owners / renters | 82% / 18% |
| Land area | 35.45 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99338. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 99338
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 99336 | Kennewick, WA | 6 mi NE | Standard |
| 99337 | Kennewick, WA | 6.3 mi E | Standard |
| 99352 | Richland, WA | 6.7 mi N | Standard |
| 99302 | Pasco, WA | 9.8 mi NE | PO Box only |
| 99301 | Pasco, WA | 10 mi NE | Standard |
| 99354 | Richland, WA | 11.9 mi N | Standard |
| 99353 | West Richland, WA | 12.1 mi NW | Standard |
| 99320 | Benton City, WA | 13.9 mi NW | Standard |
| 99346 | Plymouth, WA | 17 mi SW | PO Box only |
| 99323 | Burbank, WA | 17.6 mi E | Standard |
| 99363 | Wallula, WA | 17.8 mi E | PO Box only |
| 97882 | Umatilla, OR | 18.2 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99338 or measure the distance to another ZIP code.
How to address mail to 99338
123 MAIN ST
KENNEWICK WA 99338
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Pasco: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (99338-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Kennewick, WA
All Kennewick ZIP codes with population and income →
Questions
- What city is ZIP code 99338?
- 99338 is a Kennewick, Washington ZIP code.
- What county is 99338 in?
- ZIP code 99338 is in Benton County, Washington.
- What time zone is ZIP code 99338 in?
- 99338 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 99338?
- Phone numbers in ZIP code 99338 use area code 509.
- What is the population of ZIP code 99338?
- About 20,633 people live in ZIP code 99338, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 99338?
- The median household income in 99338 is $111,042 a year, higher than 80% of Washington ZIP codes.
- What ZIP codes are near 99338?
- The nearest ZIP codes to 99338 are 99336 (Kennewick, 6 miles), 99337 (Kennewick, 6.3 miles), 99352 (Richland, 6.7 miles) and 99302 (Pasco, 9.8 miles).