ZIP code 99138
Where is ZIP code 99138?
Inchelium, Washington
Ferry County · Standard ZIP code
ZIP code 99138 belongs to Inchelium, Washington in Ferry County. 99138 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 1,223 people live in the 99138 area, where the median household income is $50,833. The closest ZIP codes are 99131 (Gifford, 11.2 mi east), 99167 (Rice, 13.2 mi northeast) and 99137 (Hunters, 14.4 mi southeast).
| ZIP code | 99138 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Inchelium |
| State | Washington (WA) |
| County | Ferry County |
| Time zone | Pacific Time · now |
| Area code | 509 |
| Coordinates | 48.2924, -118.3552 map |
| 3-digit prefix | 991 |
Population and income in 99138
| Population | 1,223 · lower than 68% of Washington ZIP codes |
|---|---|
| People per square mile | 2 · lower than 94% of Washington ZIP codes |
| Median age | 44.6 years · higher than 65% of Washington ZIP codes |
| Men / women | 57% / 43% |
| Median household income | $50,833 · lower than 94% of Washington ZIP codes |
| Income per person | $26,817 |
| Below the poverty line | 24% |
| Bachelor’s degree or higher | 22% of adults 25+ |
| Median home value | $218,100 · lower than 94% of Washington ZIP codes |
| Median rent | $535 a month |
| Housing units | 670 |
| Households | 468 (2.6 people on average) |
| Owners / renters | 62% / 39% |
| Land area | 566.57 sq mi (plus 31.18 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 99138. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 99138
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 99131 | Gifford, WA | 11.2 mi E | Standard |
| 99167 | Rice, WA | 13.2 mi NE | Standard |
| 99137 | Hunters, WA | 14.4 mi SE | Standard |
| 99101 | Addy, WA | 18.5 mi E | Standard |
| 99129 | Fruitland, WA | 22.5 mi S | Standard |
| 99140 | Keller, WA | 23.1 mi SW | Standard |
| 99109 | Chewelah, WA | 26.7 mi E | Standard |
| 99141 | Kettle Falls, WA | 27.5 mi NE | Standard |
| 99151 | Marcus, WA | 28.8 mi NE | PO Box only |
| 99181 | Valley, WA | 29.4 mi E | Standard |
| 99114 | Colville, WA | 29.9 mi NE | Standard |
| 99166 | Republic, WA | 30.5 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 99138 or measure the distance to another ZIP code.
How to address mail to 99138
123 MAIN ST
INCHELIUM WA 99138
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Kewa: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (99138-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 99138?
- 99138 is a Inchelium, Washington ZIP code.
- What county is 99138 in?
- ZIP code 99138 is in Ferry County, Washington.
- What time zone is ZIP code 99138 in?
- 99138 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 99138?
- Phone numbers in ZIP code 99138 use area code 509.
- What is the population of ZIP code 99138?
- About 1,223 people live in ZIP code 99138, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 99138?
- The median household income in 99138 is $50,833 a year, lower than 94% of Washington ZIP codes.
- What ZIP codes are near 99138?
- The nearest ZIP codes to 99138 are 99131 (Gifford, 11.2 miles), 99167 (Rice, 13.2 miles), 99137 (Hunters, 14.4 miles) and 99101 (Addy, 18.5 miles).