ZIP code 99363
Where is ZIP code 99363?
Wallula, Washington
Walla Walla County · PO Box only ZIP code
ZIP code 99363 belongs to Wallula, Washington in Walla Walla County. 99363 is a PO Box only ZIP code: it is used for post office boxes at the Wallula post office, not for street addresses. It is in the Pacific Time zone and uses area codes 458, 509 and 541. About 145 people live in the 99363 area. The closest ZIP codes are 99323 (Burbank, 7.7 mi north), 99360 (Touchet, 11.7 mi east) and 99337 (Kennewick, 13 mi northwest).
| ZIP code | 99363 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Wallula |
| State | Washington (WA) |
| County | Walla Walla County |
| Time zone | Pacific Time · now |
| Area codes | 458, 509, 541 |
| Coordinates | 46.0846, -118.9061 map |
| 3-digit prefix | 993 |
Population and income in 99363
| Population | 145 · lower than 94% of Washington ZIP codes |
|---|---|
| People per square mile | 5 · lower than 86% of Washington ZIP codes |
| Median age | 6.2 years · lower than 100% of Washington ZIP codes |
| Men / women | 87% / 13% |
| Income per person | $15,159 |
| Below the poverty line | 78% |
| Bachelor’s degree or higher | 0.0% of adults 25+ |
| Median home value | $253,300 · lower than 87% of Washington ZIP codes |
| Housing units | 52 |
| Households | 28 (5.18 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 30.88 sq mi (plus 10.61 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99363. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 99363
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 99323 | Burbank, WA | 7.7 mi N | Standard |
| 99360 | Touchet, WA | 11.7 mi E | Standard |
| 99337 | Kennewick, WA | 13 mi NW | Standard |
| 99302 | Pasco, WA | 13.8 mi NW | PO Box only |
| 99301 | Pasco, WA | 14.8 mi NW | Standard |
| 99336 | Kennewick, WA | 15.3 mi NW | Standard |
| 97835 | Helix, OR | 17.5 mi SE | Standard |
| 99338 | Kennewick, WA | 17.8 mi W | Standard |
| 99352 | Richland, WA | 21.6 mi NW | Standard |
| 99324 | College Place, WA | 24 mi E | Standard |
| 97838 | Hermiston, OR | 24.6 mi SW | Standard |
| 97882 | Umatilla, OR | 25.1 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99363 or measure the distance to another ZIP code.
How to address mail to 99363
PO BOX 123
WALLULA WA 99363
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (99363-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 99363?
- 99363 is a Wallula, Washington ZIP code.
- What county is 99363 in?
- ZIP code 99363 is in Walla Walla County, Washington.
- What time zone is ZIP code 99363 in?
- 99363 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 99363?
- Phone numbers in ZIP code 99363 use area codes 458, 509 and 541.
- What is the population of ZIP code 99363?
- About 145 people live in ZIP code 99363, according to the Census Bureau’s American Community Survey (2020–2024).
- Can I use 99363 for a street address?
- No. 99363 is only for PO Boxes. Street addresses in Wallula use another ZIP code.
- What ZIP codes are near 99363?
- The nearest ZIP codes to 99363 are 99323 (Burbank, 7.7 miles), 99360 (Touchet, 11.7 miles), 99337 (Kennewick, 13 miles) and 99302 (Pasco, 13.8 miles).