ZIP code 98255
Where is ZIP code 98255?
Hamilton, Washington
Skagit County · PO Box only ZIP code
ZIP code 98255 belongs to Hamilton, Washington in Skagit County. 98255 is a PO Box only ZIP code: it is used for post office boxes at the Hamilton post office, not for street addresses. It is in the Pacific Time zone and uses area codes 360 and 564. About 198 people live in the 98255 area, where the median household income is $68,194. The closest ZIP codes are 98263 (Lyman, 3.3 mi west), 98284 (Sedro Woolley, 11.2 mi west) and 98273 (Mount Vernon, 11.8 mi southwest).
| ZIP code | 98255 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Hamilton |
| State | Washington (WA) |
| County | Skagit County |
| Time zone | Pacific Time · now |
| Area codes | 360, 564 |
| Coordinates | 48.5255, -121.9887 map |
| 3-digit prefix | 982 |
Population and income in 98255
| Population | 198 · lower than 91% of Washington ZIP codes |
|---|---|
| People per square mile | 299 · higher than 59% of Washington ZIP codes |
| Median age | 38.9 years · lower than 62% of Washington ZIP codes |
| Men / women | 45% / 55% |
| Median household income | $68,194 · lower than 73% of Washington ZIP codes |
| Income per person | $38,220 |
| Below the poverty line | 21% |
| Bachelor’s degree or higher | 8.4% of adults 25+ |
| Median home value | $217,500 · lower than 95% of Washington ZIP codes |
| Housing units | 105 |
| Households | 99 (2 people on average) |
| Owners / renters | 85% / 15% |
| Land area | 0.66 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 98255. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 98255
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 98263 | Lyman, WA | 3.3 mi W | PO Box only |
| 98284 | Sedro Woolley, WA | 11.2 mi W | Standard |
| 98273 | Mount Vernon, WA | 11.8 mi SW | Standard |
| 98235 | Clearlake, WA | 12.1 mi W | PO Box only |
| 98274 | Mount Vernon, WA | 13.1 mi SW | Standard |
| 98220 | Acme, WA | 13.9 mi NW | Standard |
| 98237 | Concrete, WA | 14.8 mi E | Standard |
| 98233 | Burlington, WA | 16.2 mi W | Standard |
| 98232 | Bow, WA | 19.6 mi W | Standard |
| 98244 | Deming, WA | 19.7 mi N | Standard |
| 98283 | Rockport, WA | 20.2 mi E | Standard |
| 98238 | Conway, WA | 20.8 mi SW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 98255 or measure the distance to another ZIP code.
How to address mail to 98255
PO BOX 123
HAMILTON WA 98255
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (98255-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 98255?
- 98255 is a Hamilton, Washington ZIP code.
- What county is 98255 in?
- ZIP code 98255 is in Skagit County, Washington.
- What time zone is ZIP code 98255 in?
- 98255 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 98255?
- Phone numbers in ZIP code 98255 use area codes 360 and 564.
- What is the population of ZIP code 98255?
- About 198 people live in ZIP code 98255, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 98255?
- The median household income in 98255 is $68,194 a year, lower than 73% of Washington ZIP codes.
- Can I use 98255 for a street address?
- No. 98255 is only for PO Boxes. Street addresses in Hamilton use another ZIP code.
- What ZIP codes are near 98255?
- The nearest ZIP codes to 98255 are 98263 (Lyman, 3.3 miles), 98284 (Sedro Woolley, 11.2 miles), 98273 (Mount Vernon, 11.8 miles) and 98235 (Clearlake, 12.1 miles).