ZIP code 98603
Where is ZIP code 98603?
Ariel, Washington
Cowlitz County · Standard ZIP code
ZIP code 98603 belongs to Ariel, Washington in Cowlitz County. 98603 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 codes 360 and 564. About 1,267 people live in the 98603 area, where the median household income is $78,281. The closest ZIP codes are 98601 (Amboy, 5.3 mi south), 98616 (Cougar, 9 mi northeast) and 98675 (Yacolt, 9.4 mi south).
| ZIP code | 98603 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Ariel |
| State | Washington (WA) |
| County | Cowlitz County |
| Time zone | Pacific Time · now |
| Area codes | 360, 564 |
| Coordinates | 45.9952, -122.4677 map |
| 3-digit prefix | 986 |
Population and income in 98603
| Population | 1,267 · lower than 67% of Washington ZIP codes |
|---|---|
| People per square mile | 11 · lower than 78% of Washington ZIP codes |
| Median age | 41.3 years · higher than 53% of Washington ZIP codes |
| Men / women | 42% / 58% |
| Median household income | $78,281 · lower than 59% of Washington ZIP codes |
| Income per person | $25,673 |
| Below the poverty line | 15% |
| Bachelor’s degree or higher | 16% of adults 25+ |
| Median home value | $464,500 · higher than 53% of Washington ZIP codes |
| Housing units | 615 |
| Households | 395 (3.21 people on average) |
| Owners / renters | 73% / 27% |
| Land area | 114.73 sq mi (plus 2.86 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 98603. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 98603
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 98601 | Amboy, WA | 5.3 mi S | Standard |
| 98616 | Cougar, WA | 9 mi NE | Standard |
| 98675 | Yacolt, WA | 9.4 mi S | Standard |
| 98629 | La Center, WA | 10.9 mi SW | Standard |
| 98622 | Heisson, WA | 11.8 mi S | PO Box only |
| 98674 | Woodland, WA | 12.8 mi SW | Standard |
| 98604 | Battle Ground, WA | 14.5 mi S | Standard |
| 98625 | Kalama, WA | 16.8 mi W | Standard |
| 97018 | Columbia City, OR | 18 mi SW | Standard |
| 98642 | Ridgefield, WA | 18.2 mi SW | Standard |
| 98606 | Brush Prairie, WA | 18.3 mi S | Standard |
| 97051 | Saint Helens, OR | 19.7 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 98603 or measure the distance to another ZIP code.
How to address mail to 98603
123 MAIN ST
ARIEL WA 98603
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Yale: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (98603-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 98603?
- 98603 is a Ariel, Washington ZIP code.
- What county is 98603 in?
- ZIP code 98603 is in Cowlitz County, Washington.
- What time zone is ZIP code 98603 in?
- 98603 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 98603?
- Phone numbers in ZIP code 98603 use area codes 360 and 564.
- What is the population of ZIP code 98603?
- About 1,267 people live in ZIP code 98603, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 98603?
- The median household income in 98603 is $78,281 a year, lower than 59% of Washington ZIP codes.
- What ZIP codes are near 98603?
- The nearest ZIP codes to 98603 are 98601 (Amboy, 5.3 miles), 98616 (Cougar, 9 miles), 98675 (Yacolt, 9.4 miles) and 98629 (La Center, 10.9 miles).